Standard 1 Objective 1: Describe the chemical and physical

1
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
1
21
of
The following data were collected by a group of
students as they tested four different types of
plastics.
Plastic Acetone Flame Test Heat Crease Color
1 No Effect Green Color Softens None
2 Softened No Change No Change White
3 No Effect Red Color Softens None
4 No Effect Green Color Softens None
A. 1
B. 2
C. 3
D. 4
Which plastic would be unsafe to use to store
products that contain acetone?
A. Plastic 1
B. Plastic 2
C. Plastic 3
D. Plastic 4
2
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
1
21
of
The following data were collected by a group of
students as they tested four different types of
plastics.
Plastic Acetone Flame Test Heat Crease Color
1 No Effect Green Color Softens None
2 Softened No Change No Change White
3 No Effect Red Color Softens None
4 No Effect Green Color Softens None
A. 1
B. 2
C. 3
D. 4
Which plastic would be unsafe to use to store
products that contain acetone?
A. Plastic 1
B. Plastic 2
C. Plastic 3
D. Plastic 4
X
Sorry, That is the wrong answer. Read the
question again. What is the substance that you
are trying to use with plastic. Look at the
column that has data about that substance.
3
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
1
21
of
The following data were collected by a group of
students as they tested four different types of
plastics.
Plastic Acetone Flame Test Heat Crease Color
1 No Effect Green Color Softens None
2 Softened No Change No Change White
3 No Effect Red Color Softens None
4 No Effect Green Color Softens None
A. 1
B. 2
C. 3
D. 4
Which plastic would be unsafe to use to store
products that contain acetone?
A. Plastic 1
B. Plastic 2
C. Plastic 3
D. Plastic 4
X
Sorry, That is the wrong answer. Read the
question again. What is the substance that you
are trying to use with plastic. Look at the
column that has data about that substance.
4
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
1
21
of
The following data were collected by a group of
students as they tested four different types of
plastics.
Plastic Acetone Flame Test Heat Crease Color
1 No Effect Green Color Softens None
2 Softened No Change No Change White
3 No Effect Red Color Softens None
4 No Effect Green Color Softens None
A. 1
B. 2
C. 3
D. 4
Which plastic would be unsafe to use to store
products that contain acetone?
A. Plastic 1
B. Plastic 2
C. Plastic 3
D. Plastic 4
X
Sorry, That is the wrong answer. Read the
question again. What is the substance that you
are trying to use with plastic. Look at the
column that has data about that substance.
5
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
1
21
of
The following data were collected by a group of
students as they tested four different types of
plastics.
Plastic Acetone Flame Test Heat Crease Color
1 No Effect Green Color Softens None
2 Softened No Change No Change White
3 No Effect Red Color Softens None
4 No Effect Green Color Softens None
A. 1
B. 2
C. 3
D. 4
Which plastic would be unsafe to use to store
products that contain acetone?
A. Plastic 1
B. Plastic 2
C. Plastic 3
D. Plastic 4
X
Good job!!!! Click on the arrow and Move on to
question 2.
6
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
2
21
of
Glass breaking into smaller pieces is an example
of a
A. Chemical Property
C. Chemical Change
B. Physical Property
D. Physical Change
7
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
2
21
of
Glass breaking into smaller pieces is an example
of a
A. Chemical Property
C. Chemical Change
X
B. Physical Property
D. Physical Change
After you think about the following, try
again. Chemical property Anything that could
happen to a specific substance that would change
it into new substances. Will the glass be a new
substance after being broken?
8
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
2
21
of
Glass breaking into smaller pieces is an example
of a
A. Chemical Property
C. Chemical Change
B. Physical Property
D. Physical Change
X
Physical Property Characteristics of matter
that distinguish one type of matter from
another and can be observed without changing the
Identity of the matter. One of the physical
properties of the glass has changed.
After considering the following, Try Again.
9
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
2
21
of
Glass breaking into smaller pieces is an example
of a
A. Chemical Property
C. Chemical Change
X
B. Physical Property
D. Physical Change
After you think about the following, try
again. Chemical Change The process by which a
substances becomes a new and different
substance. Will the glass be a new substance
after being broken?
10
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
2
21
of
Glass breaking into smaller pieces is an example
of a
A. Chemical Property
C. Chemical Change
B. Physical Property
D. Physical Change
X
Excellent job!!!!!!!!! Physical Change Any
time a characteristic of a substance changes
but the substance remains the same substance.
11
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
3
21
of
Metal oxidizing (tarnishing / rusting) is an
example of a
A. Chemical Property
C. Chemical Change
B. Physical Property
D. Physical Change
12
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
3
21
of
Metal oxidizing (tarnishing / rusting) is an
example of a
A. Chemical Property
C. Chemical Change
X
B. Physical Property
D. Physical Change
Youll have to try again.
Chemical property Anything that could happen to
a specific substance that would change it into
new substances.
In this case there are already new substances.
13
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
3
21
of
Metal oxidizing (tarnishing / rusting) is an
example of a
A. Chemical Property
C. Chemical Change
B. Physical Property
D. Physical Change
X
Youll have to try again.
Physical Property Characteristics of matter
that distinguish one type of matter from
another and can be observed without changing the
Identity of the matter.
In this case there are new substances.
14
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
3
21
of
Metal oxidizing (tarnishing / rusting) is an
example of a
A. Chemical Property
C. Chemical Change
X
B. Physical Property
D. Physical Change
Excellent Job!!!!!!!!
Chemical Change The process by which a
substances becomes a new and different substance.
Go on to question 4 by clicking on the right
arrow.
15
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
3
21
of
Metal oxidizing (tarnishing / rusting) is an
example of a
A. Chemical Property
C. Chemical Change
B. Physical Property
D. Physical Change
X
Youll have to try again.
Physical Change Any time a characteristic of a
substance changes but the substance remains the
same substance.
When a physical change occurs you do not have any
new substances.
16
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
4
21
of
When describing an object which of the following
is a chemical property?
A. Size
C. texture
B. Shape
D. flammability
17
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
4
21
of
When describing an object which of the following
is a chemical property?
A. Size
C. texture
X
B. Shape
D. flammability
Youll have to try again.
Physical Property Characteristics of matter
that distinguish one type of matter from
another and can be observed without changing the
Identity of the matter.
Size is one of the physical properties.
18
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
4
21
of
When describing an object which of the following
is a chemical property?
A. Size
C. texture
B. Shape
D. flammability
X
Youll have to try again.
Physical Property Characteristics of matter
that distinguish one type of matter from
another and can be observed without changing the
Identity of the matter.
Shape is one of the physical properties.
19
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
4
21
of
When describing an object which of the following
is a chemical property?
A. Size
C. texture
X
B. Shape
D. flammability
Youll have to try again.
Physical Property Characteristics of matter
that distinguish one type of matter from
another and can be observed without changing the
Identity of the matter.
Texture is one of the physical properties.
20
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
4
21
of
When describing an object which of the following
is a chemical property?
A. Size
C. texture
B. Shape
D. flammability
X
Excellent Job!!!!!!!!
Chemical property Anything that could happen to
a specific substance that would change it into
new substances.
Go on to question 5.
21
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
5
21
of
What will happen when a glowing splint is placed
into a test tube of hydrogen?
A. It will burst into a flame.
C. It will sop glowing.
B. It will make a popping sound.
D. Nothing will happen.
22
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
5
21
of
What will happen when a glowing splint is placed
into a test tube of hydrogen?
A. It will burst into a flame.
C. It will sop glowing.
X
B. It will make a popping sound.
D. Nothing will happen.
Youll have to try again.
Hydrogen is highly reactive to the point of
explosion in the presence of something that is
burning or smoldering. Remember the Hindenburg
blimp.
23
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
5
21
of
What will happen when a glowing splint is placed
into a test tube of hydrogen?
A. It will burst into a flame.
C. It will sop glowing.
B. It will make a popping sound.
D. Nothing will happen.
X
You got that one right.
Hydrogen is highly reactive to the point of
explosion in the presence of something that is
burning or smoldering. Remember the Hindenburg
blimp. Go on to question 6.
24
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
5
21
of
What will happen when a glowing splint is placed
into a test tube of hydrogen?
A. It will burst into a flame.
C. It will sop glowing.
X
B. It will make a popping sound.
D. Nothing will happen.
Youll have to try again.
Hydrogen is highly reactive to the point of
explosion in the presence of something that is
burning or smoldering. Remember the Hindenburg
blimp.
25
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
5
21
of
What will happen when a glowing splint is placed
into a test tube of hydrogen?
A. It will burst into a flame.
C. It will sop glowing.
B. It will make a popping sound.
D. Nothing will happen.
X
Youll have to try again.
Hydrogen is highly reactive to the point of
explosion in the presence of something that is
burning or smoldering. Remember the Hindenburg
blimp.
26
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
6
21
of
What will happen when a glowing splint is placed
into a test tube of carbon dioxide?
A. It will burst into a flame.
C. It will sop glowing.
B. It will make a popping sound.
D. Nothing will happen.
27
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
6
21
of
What will happen when a glowing splint is placed
into a test tube of carbon dioxide?
A. It will burst into a flame.
C. It will sop glowing.
X
B. It will make a popping sound.
D. Nothing will happen.
Youll have to try again.
Carbon dioxide is used to put out fires. It is
not flammable.
28
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
6
21
of
What will happen when a glowing splint is placed
into a test tube of carbon dioxide?
A. It will burst into a flame.
C. It will sop glowing.
B. It will make a popping sound.
D. Nothing will happen.
X
Youll have to try again.
Carbon dioxide is used to put out fires. It is
not flammable or explosive.
29
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
6
21
of
What will happen when a glowing splint is placed
into a test tube of carbon dioxide?
A. It will burst into a flame.
C. It will sop glowing.
X
B. It will make a popping sound.
D. Nothing will happen.
Very Good!!!!!!
Carbon dioxide is used to put out fires. It is
not flammable.
Go on to question 7.
30
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
6
21
of
What will happen when a glowing splint is placed
into a test tube of carbon dioxide?
A. It will burst into a flame.
C. It will sop glowing.
B. It will make a popping sound.
D. Nothing will happen.
X
Very Good!!!!!!
Carbon dioxide is used to put out fires. It is
not flammable.
31
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
7
21
of
What will happen when a glowing splint is placed
into a test tube of oxygen?
A. It will burst into a flame.
C. It will sop glowing.
B. It will make a popping sound.
D. Nothing will happen.
32
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
7
21
of
What will happen when a glowing splint is placed
into a test tube of oxygen?
A. It will burst into a flame.
C. It will sop glowing.
X
B. It will make a popping sound.
D. Nothing will happen.
That is correct, Good Job!
Three things are needed for fire to burn fuel,
oxygen, and a heat source.
Go on to question 8.
33
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
7
21
of
What will happen when a glowing splint is placed
into a test tube of oxygen?
A. It will burst into a flame.
C. It will sop glowing.
B. It will make a popping sound.
D. Nothing will happen.
X
Youll have to try again.
Three things are needed for fire to burn fuel,
oxygen, and a heat source.
34
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
7
21
of
What will happen when a glowing splint is placed
into a test tube of oxygen?
A. It will burst into a flame.
C. It will sop glowing.
X
B. It will make a popping sound.
D. Nothing will happen.
Youll have to try again.
Three things are needed for fire to burn fuel,
oxygen, and a heat source.
35
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
7
21
of
What will happen when a glowing splint is placed
into a test tube of oxygen?
A. It will burst into a flame.
C. It will sop glowing.
B. It will make a popping sound.
D. Nothing will happen.
X
Youll have to try again.
Three things are needed for fire to burn fuel,
oxygen, and a heat source.
36
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
8
21
of
What gas is given off by the reaction when
vinegar and baking soda are mixed together?
A. oxygen
C. hydrogen
B. Carbon dioxide
D. chlorine
37
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
8
21
of
What gas is given off by the reaction when
vinegar and baking soda are mixed together?
A. oxygen
C. hydrogen
X
B. Carbon dioxide
D. chlorine
Youll have to try again.
Vinegar is an acid (lt 7 ph) and baking soda is a
base (gt 7 ph). They will react chemically until
the acid base relationship is neutralized (7
ph). The gas that is given off is non-flammable
and non-corrosive.
38
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
8
21
of
What gas is given off by the reaction when
vinegar and baking soda are mixed together?
A. oxygen
C. hydrogen
B. Carbon dioxide
D. chlorine
X
That is correct, Good Job!
Vinegar is an acid (lt 7 ph) and baking soda is a
base (gt 7 ph). They will react chemically until
the acid base relationship is neutralized (7
ph). The gas that is given off is non-flammable
and non-corrosive.
Go on to question 9.
39
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
8
21
of
What gas is given off by the reaction when
vinegar and baking soda are mixed together?
A. oxygen
C. hydrogen
X
B. Carbon dioxide
D. chlorine
Youll have to try again.
Vinegar is an acid (lt 7 ph) and baking soda is a
base (gt 7 ph). They will react chemically until
the acid base relationship is neutralized (7
ph). The gas that is given off is non-flammable
and non-corrosive.
40
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
7
21
of
What gas is given off by the reaction when
vinegar and baking soda are mixed together?
A. oxygen
C. hydrogen
B. Carbon dioxide
D. chlorine
X
Youll have to try again.
Vinegar is an acid (lt 7 ph) and baking soda is a
base (gt 7 ph). They will react chemically until
the acid base relationship is neutralized (7
ph). The gas that is given off is non-flammable
and non-corrosive.
41
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
9
21
of
When scientist use the scientific method to
discover new things, their primary purpose is to
A. Discover something that will make them rich.
B. Discover the variables the control an
occurrence in nature.
C. Determine the cost of using the new
information to make something useful.
D. Find something that is important to their
government.
42
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
9
21
of
When scientist use the scientific method to
discover new things, their primary purpose is to
A. Discover something that will make them rich.
X
B. Discover the variables the control an
occurrence in nature.
C. Determine the cost of using the new
information to make something useful.
D. Find something that is important to their
government.
Youll have to try again.
Most good scientists do earn a lot of
money. Their motivation usually is not the money
though.
43
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
9
21
of
When scientist use the scientific method to
discover new things, their primary purpose is to
A. Discover something that will make them rich.
B. Discover the variables the control an
occurrence in nature.
X
C. Determine the cost of using the new
information to make something useful.
D. Find something that is important to their
government.
You got that one right.
Scientist are usually motivated simply by being
the one to learn something new.
Go on to guest ion 10.
44
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
9
21
of
When scientist use the scientific method to
discover new things, their primary purpose is to
A. Discover something that will make them rich.
B. Discover the variables the control an
occurrence in nature.
C. Determine the cost of using the new
information to make something useful.
X
D. Find something that is important to their
government.
Youll have to try again.
This is the job of a technologist not what
motivates scientist.
45
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
9
21
of
When scientist use the scientific method to
discover new things, their primary purpose is to
A. Discover something that will make them rich.
B. Discover the variables the control an
occurrence in nature.
C. Determine the cost of using the new
information to make something useful.
D. Find something that is important to their
government.
X
Youll have to try again.
Scientists do sometimes work for their
government. Usually this is only so they can get
the funding they need to do the necessary
research.
46
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
10
21
of
Plants use chemical changes in their life
cycle. Which of the following is not a chemical
change used by plants?
A. cellular respiration
C. water absorption
B. photosynthesis
D. sugar production
47
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
10
21
of
Plants use chemical changes in their life
cycle. Which of the following is not a chemical
change used by plants?
A. cellular respiration
C. water absorption
X
B. photosynthesis
D. sugar production
Youll have to try again.
Cellular respiration is one of the chemical
changes that takes place in a plant.
sugar
C6H12O6 6 O2 6 CO2
6 H2O
Chemical change requires that new substances are
made.
48
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
10
21
of
Plants use chemical changes in their life
cycle. Which of the following is not a chemical
change used by plants?
A. cellular respiration
C. water absorption
B. photosynthesis
D. sugar production
X
Youll have to try again.
Photosynthesis is one of the chemical changes
that takes place in a plant.
Sun light
6 CO2 6 H2O C6H12O6 6 O2
Chemical change requires that new substances are
made.
49
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
10
21
of
Plants use chemical changes in their life
cycle. Which of the following is not a chemical
change used by plants?
A. cellular respiration
C. water absorption
X
B. photosynthesis
D. sugar production
Excellent Job!!!!!!!!
Water absorption is not one of the chemical
changes that takes place in a plant.
Chemical change requires that new substances are
made. Water is the same before it is absorbed
into the roots as it is after it has been
absorbed into the roots. No chemical change has
occurred.
50
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
10
21
of
Plants use chemical changes in their life
cycle. Which of the following is not a chemical
change used by plants?
A. cellular respiration
C. water absorption
B. photosynthesis
D. sugar production
X
Youll have to try again.
Sugar production is one of the chemical changes
that takes place in a plant.
sugar
Sun light
6 CO2 6 H2O C6H12O6 6 O2
Chemical change requires that new substances are
made.
51
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
11
21
of
Landfills have big problems with synthetic
products because they
A. decompose to quickly
B. decompose very slowly
C. explode after being buried
52
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
11
21
of
Landfills have big problems with synthetic
products because they
A. decompose to quickly
X
B. decompose very slowly
C. explode after being buried
Sorry, youll need to try again.
Diapers decompose at an extremely slow
rate. Paper, food, garden waste products etc.
decompose very rapidly.
53
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
11
21
of
Landfills have big problems with synthetic
products because they
A. decompose to quickly
B. decompose very slowly
X
C. explode after being buried
How did you know that one? You must be smart.
Synthetic (man made) materials such as plastics
decompose very slowly.
Go on to problem 12.
54
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
11
21
of
Landfills have big problems with synthetic
products because they
A. decompose to quickly
B. decompose very slowly
C. explode after being buried
X
Sorry, youll need to try again.
Very few if any, synthetic materials will explode
when buried.
Diapers decompose at an extremely slow
rate. Paper, food, garden waste products etc.
decompose very rapidly.
55
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
12
21
of
When water boils the bubbles coming to the
surface are made of
A. carbon dioxide
C. hydrogen
B. Oxygen
D. water vapor
56
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
12
21
of
When water boils the bubbles coming to the
surface are made of
A. carbon dioxide
C. hydrogen
X
B. Oxygen
D. water vapor
Sorry, youll need to try again.
Clues
New substances are not being made. The formula
for water is H2O. The physical change that has
occurred is called a phase change.
57
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
12
21
of
When water boils the bubbles coming to the
surface are made of
A. carbon dioxide
C. hydrogen
B. Oxygen
D. water vapor
X
Sorry, youll need to try again.
Clues
New substances are not being made. The formula
for water is H2O. The physical change that has
occurred is called a phase change.
58
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
12
21
of
When water boils the bubbles coming to the
surface are made of
A. carbon dioxide
C. hydrogen
X
B. Oxygen
D. water vapor
Sorry, youll need to try again.
Clues
New substances are not being made. The formula
for water is H2O. The physical change that has
occurred is called a phase change.
59
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
12
21
of
When water boils the bubbles coming to the
surface are made of
A. carbon dioxide
C. hydrogen
B. Oxygen
D. water vapor
X
Great Job!!!! Keep up the good work.
New substances are not being made. The formula
for water is H2O. The physical change that has
occurred is called a phase change.
Go on to question 13.
60
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
13
21
of
Water boils at 100 degrees Celsius at sea level.
It takes longer to boil an egg at higher
altitudes, Why?
A. Water boils at lower temperatures at higher
altitudes.
B. Water boils at higher temperatures at higher
altitudes.
C. The density of the egg is greater at high
altitudes.
D. Celsius degrees are not the same size unit
at higher altitudes.
61
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
13
21
of
Water boils at 100 degrees Celsius at sea level.
It takes longer to boil an egg at higher
altitudes, Why?
A. Water boils at lower temperatures at higher
altitudes.
X
B. Water boils at higher temperatures at higher
altitudes.
C. The density of the egg is greater at high
altitudes.
D. Celsius degrees are not the same size unit
at higher altitudes.
Very Good !!!
Go on to the next question.
62
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
13
21
of
Water boils at 100 degrees Celsius at sea level.
It takes longer to boil an egg at higher
altitudes, Why?
A. Water boils at lower temperatures at higher
altitudes.
B. Water boils at higher temperatures at higher
altitudes.
X
C. The density of the egg is greater at high
altitudes.
D. Celsius degrees are not the same size unit
at higher altitudes.
Sorry, youll need to try again.
Clues
As altitude increases atmospheric pressure
decreases. The less pressure pushing down on a
collection of water, the easier it is for it to
boil.
63
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
13
21
of
Water boils at 100 degrees Celsius at sea level.
It takes longer to boil an egg at higher
altitudes, Why?
A. Water boils at lower temperatures at higher
altitudes.
B. Water boils at higher temperatures at higher
altitudes.
C. The density of the egg is greater at high
altitudes.
X
D. Celsius degrees are not the same size unit
at higher altitudes.
Sorry, youll need to try again.
Clues
As altitude increases atmospheric pressure
decreases. The less pressure pushing down on a
collection of water, the easier it is for it to
boil.
64
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
13
21
of
Water boils at 100 degrees Celsius at sea level.
It takes longer to boil an egg at higher
altitudes, Why?
A. Water boils at lower temperatures at higher
altitudes.
B. Water boils at higher temperatures at higher
altitudes.
C. The density of the egg is greater at high
altitudes.
D. Celsius degrees are not the same size unit
at higher altitudes.
X
Sorry, youll need to try again.
Clues
As altitude increases atmospheric pressure
decreases. The less pressure pushing down on a
collection of water, the easier it is for it to
boil.
65
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
13
21
of
During phase change of water, ice to liquid, what
happens to the temperature of the water.
A. It will increase until all of the ice has
change to liquid.
B. It will stay the same.
C. It will decrease until all of the ice has
change to liquid.
66
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
13
21
of
During phase change of water, ice to liquid, what
happens to the temperature of the water.
A. It will increase until all of the ice has
change to liquid.
B. It will stay the same.
C. It will decrease until all of the ice has
change to liquid.
Sorry, youll need to try again.
Clues
New substances are not being made. The formula
for water is H2O. The physical change that has
occurred is called a phase change.
67
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
13
21
of
During phase change of water, ice to liquid, what
happens to the temperature of the water.
A. It will increase until all of the ice has
change to liquid.
B. It will stay the same.
C. It will decrease until all of the ice has
change to liquid.
Sorry, youll need to try again.
Clues
New substances are not being made. The formula
for water is H2O. The physical change that has
occurred is called a phase change.
68
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
13
21
of
During phase change of water, ice to liquid, what
happens to the temperature of the water.
A. It will increase until all of the ice has
change to liquid.
B. It will stay the same.
C. It will decrease until all of the ice has
change to liquid.
Sorry, youll need to try again.
Clues
New substances are not being made. The formula
for water is H2O. The physical change that has
occurred is called a phase change.
69
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
13
21
of
During phase change of water, ice to liquid, what
happens to the temperature of the water.
A. It will increase until all of the ice has
change to liquid.
B. It will stay the same.
C. It will decrease until all of the ice has
change to liquid.
Sorry, youll need to try again.
Clues
New substances are not being made. The formula
for water is H2O. The physical change that has
occurred is called a phase change.
70
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
14
21
of
    Which of the following will not cause a
change in the temperature at which
water boils?            
A. increase or decrease of latitude
B. increase or decrease of  atmospheric pressure
C. increase or decrease of altitude     
      
71
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
14
21
of
   Which of the following will not cause a
change in the temperature at
which water boils?            
A. increase or decrease of latitude
X
B. increase or decrease of  atmospheric pressure
C. increase or decrease of altitude     
Sorry, youll need to try again.
Clues
There are only two things that can cause the
temperature at which water boils to change. One
of them is increasing or decreasing the altitude
ate which you are attempting to boil the water.
The other one can be directly related to changes
in altitude.
      
72
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
14
21
of
    Which of the following will not cause a
change in the temperature at
which water boils?            
A. increase or decrease of latitude
B. increase or decrease of  atmospheric pressure
X
C. increase or decrease of altitude     
Great Job !!!!!!!
If the pressure of the air pushing down on the
surface of the liquid changes the temperature at
which it will boil will change.
      
73
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
14
21
of
    Which of the following will not cause a
change in the temperature at
which water boils?            
A. increase or decrease of latitude
X
B. increase or decrease of  atmospheric pressure
C. increase or decrease of longitude     
Sorry, youll need to try again.
Clues
There are only two things that can cause the
temperature at which water boils to change. One
of them is increasing or decreasing the altitude
ate which you are attempting to boil the water.
The other one can be directly related to changes
in altitude.
      
74
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
15
21
of
    What will improve the validity of the data in
an experiment?
A. the organization of data on a chart
B. conducting multiple trials
C. Drawing conclusions based on the data and
your personal opinion.
      
75
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
15
21
of
    What will improve the validity of the data in
an experiment?
A. the organization of data on a chart
X
B. conducting multiple trials
C. Drawing conclusions based on the data and
your personal opinion.
Sorry, youll need to try again.
Clues
Which would you expect to be more accurate? John
formed his conclusion after 10 trials of his
experiment. Mary formed her conclusion after 3
trials of her experiment.
      
76
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
15
21
of
    What will improve the validity of the data in
an experiment?
A. the organization of data on a chart
B. conducting multiple trials
X
C. Drawing conclusions based on the data and
your personal opinion.
Very good job !!!!
The more times an experiment is completed with
success the more valid the conclusions will
become.
      
77
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
15
21
of
    What will improve the validity of the data in
an experiment?
A. the organization of data on a chart
B. conducting multiple trials
C. Drawing conclusions based on the data and
your personal opinion.
X
Sorry, youll need to try again.
Clue
Which would you expect to be more accurate? John
formed his conclusion after 10 trials of his
experiment. Mary formed her conclusion after 3
trials of her experiment.
      
78
(No Transcript)
79
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
16
21
of

Look at the chart on the previous page and answer
the following question.
What is happening from minute 2 minute 4?
A. The temperature stays the same during phase
change from ice to water.
B. The temperature is rising between phase
changes.
C. The temperature stays the same during phase
change from water to water vapor.
D. The thermometer is probably broken.
      
80
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
16
21
of

What is happening from
minute 2 minute 4?
A. The temperature stays the same during phase
change from ice to water.
X
B. The temperature is rising between phase
changes.
C. The temperature stays the same during phase
change from water to water vapor.
D. The thermometer is probably broken.
Excellent !!!!
      
The temperature does not change while phase
change from solid to liquid and from liquid to
gas is occurring.
81
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
16
21
of

What is happening from minute 2 minute 4?
A. The temperature stays the same during phase
change from ice to water.
B. The temperature is rising between phase
changes.
X
C. The temperature stays the same during phase
change from water to water vapor.
D. The thermometer is probably broken.
Sorry, youll need to try again.
Clue
      
Go back to the question and click on information
so you can study the graph.
82
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
16
21
of

What is happening from
minute 2 minute 4?
A. The temperature stays the same during phase
change from ice to water.
B. The temperature is rising between phase
changes.
C. The temperature stays the same during phase
change from water to water vapor.
X
D. The thermometer is probably broken.
Sorry, youll need to try again.
Clue
      
Go back to the question and click on information
so you can study the graph.
83
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
16
21
of

What is happening from
minute 2 minute 4?
A. The temperature stays the same during phase
change from ice to water.
B. The temperature is rising between phase
changes.
C. The temperature stays the same during phase
change from water to water vapor.
D. The thermometer is probably broken.
X
Sorry, youll need to try again.
Clue
      
Go back to the question and click on information
so you can study the graph.
84
(No Transcript)
85
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
17
21
of
Look at the chart on the previous page and answer
the following question.
All of the ice is turned to water by the end of
minute
A. 2
B. 3
C. 4
D. 5
E. 20
      
86
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
17
21
of
All of the ice is turned to water by the end of
minute
A. 2
X
B. 3
C. 4
D. 5
E. 20
Sorry, youll need to try again.
Clue
      
Go back to the question and click on information
so you can study the graph.
87
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
17
21
of
All of the ice is turned to water by the end of
minute
A. 2
B. 3
X
C. 4
D. 5
E. 20
Sorry, youll need to try again.
Clue
      
Go back to the question and click on information
so you can study the graph.
88
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
17
21
of
All of the ice is turned to water by the end of
minute
A. 2
B. 3
C. 4
X
D. 5
E. 20
Really good job !!!!!
      
Move on to the next question.
89
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
17
21
of
All of the ice is turned to water by the end of
minute
A. 2
B. 3
C. 4
D. 5
X
E. 20
Sorry, youll need to try again.
Clue
      
Go back to the question and click on information
so you can study the graph.
90
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
17
21
of
All of the ice is turned to water by the end of
minute
A. 2
B. 3
C. 4
D. 5
E. 20
X
Sorry, youll need to try again.
Clue
      
Go back to the question and click on information
so you can study the graph.
91
(No Transcript)
92
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
18
21
of
Look at the chart on the previous page and answer
the following question.
From the end of minute 4 to the beginning of
minute 18 all of the water was in ______ phase.
A. Solid
B. Liquid
C. Gas
D. Plasma

      
93
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
18
21
of
From the end of minute 4 to the beginning of
minute 18 all of the water was in ______ phase.
A. Solid
X
B. Liquid
C. Gas
D. Plasma

Sorry, youll need to try again.
Clue
      
Go back to the question and click on information
so you can study the graph.
94
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
18
21
of
From the end of minute 4 to the beginning of
minute 18 all of the water was in ______ phase.
A. Solid
B. Liquid
X
C. Gas
D. Plasma

You are to smart.
Move on to the next question
      
95
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
18
21
of
From the end of minute 4 to the beginning of
minute 18 all of the water was in ______ phase.
A. Solid
B. Liquid
C. Gas
X
D. Plasma

Sorry, youll need to try again.
Clue
      
Go back to the question and click on information
so you can study the graph.
96
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
18
21
of
From the end of minute 4 to the beginning of
minute 18 all of the water was in ______ phase.
A. Solid
B. Liquid
C. Gas
D. Plasma
X

Sorry, youll need to try again.
Clue
      
Go back to the question and click on information
so you can study the graph.
97
(No Transcript)
98
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
19
21
of
Look at the chart on the previous page and answer
the following question.

Between phase changes (Ice to water vapor) the
heat energy in the water.
A. decreases
B. increases
C. Stays the same.
D. It is impossible to tell.

      
99
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
19
21
of
Look at the chart on the previous page and answer
the following question.

Between phase changes (Ice to water vapor) the
heat energy in the water.
A. decreases
X
B. increases
C. Stays the same.
D. It is impossible to tell.

Sorry, youll need to try again.
Clue
      
Go back to the question and click on information
so you can study the graph.
100
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
19
21
of
Look at the chart on the previous page and answer
the following question.

Between phase changes (Ice to water vapor) the
heat energy in the water.
A. decreases
B. increases
X
C. Stays the same.
D. It is impossible to tell.

I dont know how you do it.
      
Go on to the next question.
101
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
19
21
of
Look at the chart on the previous page and answer
the following question.

Between phase changes (Ice to water vapor) the
heat energy in the water.
A. decreases
B. increases
C. Stays the same.
X
D. It is impossible to tell.

Sorry, youll need to try again.
Clue
      
Go back to the question and click on information
so you can study the graph.
102
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
19
21
of
Look at the chart on the previous page and answer
the following question.

Between phase changes (Ice to water vapor) the
heat energy in the water.
A. decreases
B. increases
C. Stays the same.
D. It is impossible to tell.
X

Sorry, youll need to try again.
Clue
      
Go back to the question and click on information
so you can study the graph.
103
Analyze the following chart to answer the next
few questions.
Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water

Flask Procedure Complete Dissolution Time, (Seconds) Complete Dissolution Time, (Seconds) Complete Dissolution Time, (Seconds) Complete Dissolution Time, (Seconds)
Flask Procedure
Flask Procedure Trial 1 Trial 2 Trial 3 Average
1 Sugar in water undisturbed 15.95 15.78 16.01 15.91
2 Sugar ground and placed in undisturbed water 10.64 10.82 10.53 10.66
3 Sugar ground, placed in water and swirled 1.78 1.82 1.86 1.82
4 Sugar ground, placed in water, swirled, and heated .42 .40 .52 .45
104
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
20
21
of
Look at the chart on the previous page and answer
the following question.

What was the most effect procedure for
dissolving the sugar?
A. Flask 1
B. Flask 2
C. Flask 3
D. Flask4

      
105
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
20
21
of

What was the most effect procedure for
dissolving the sugar?
A. Flask 1
X
B. Flask 2
C. Flask 3
D. Flask4

Sorry, youll need to try again.
Clue
      
Go back to the question and click on information
so you can study the graph. Look at the column
labeled Average
106
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
20
21
of

What was the most effect procedure for
dissolving the sugar?
A. Flask 1
B. Flask 2
X
C. Flask 3
D. Flask4

Sorry, youll need to try again.
Clue
      
Go back to the question and click on information
so you can study the graph. Look at the column
labeled Average
107
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
20
21
of

What was the most effect procedure for
dissolving the sugar?
A. Flask 1
B. Flask 2
C. Flask 3
X
D. Flask4

Sorry, youll need to try again.
Clue
      
Go back to the question and click on information
so you can study the graph. Look at the column
labeled Average
108
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
20
21
of

What was the most effect procedure for
dissolving the sugar?
A. Flask 1
B. Flask 2
C. Flask 3
D. Flask4
X

Im glad you understand how to use a table to
find correct answers.
      
Keep up the good work, go on to the next
question.
109
Analyze the following chart to answer the next
few questions.
Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water

Flask Procedure Complete Dissolution Time, (Seconds) Complete Dissolution Time, (Seconds) Complete Dissolution Time, (Seconds) Complete Dissolution Time, (Seconds)
Flask Procedure
Flask Procedure Trial 1 Trial 2 Trial 3 Average
1 Sugar in water undisturbed 15.95 15.78 16.01 15.91
2 Sugar ground and placed in undisturbed water 10.64 10.82 10.53 10.66
3 Sugar ground, placed in water and swirled 1.78 1.82 1.86 1.82
4 Sugar ground, placed in water, swirled, and heated .42 .40 .52 .45
110
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
21
21
of
Look at the chart on the previous page and answer
the following question.

Which action had the most effect on the
dissolution rate of the sugar?
A. Putting the sugar cube in the water
B. Grinding the sugar cube and putting it in the
water
C. Swirling the sugar in the water
D. Heating the sugar in the water

      
111
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
21
21
of

Which action had the most effect on the
dissolution rate of the sugar?
A. Putting the sugar cube in the water
X
B. Grinding the sugar cube and putting it in the
water
C. Swirling the sugar in the water
D. Heating the sugar in the water

Sorry, youll need to try again.
Clue
      
Go back to the question and click on information
so you can study the graph. Look at the column
labeled Average
112
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
21
21
of

Which action had the least effect on the
dissolution rate of the sugar?
A. Putting the sugar cube in the water
B. Grinding the sugar cube and putting it in the
water
X
C. Swirling the sugar in the water
D. Heating the sugar in the water

Sorry, youll need to try again.
Clue
      
Go back to the question and click on information
so you can study the graph. Look at the column
labeled Average
113
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
21
21
of

Which action had the most effect on the
dissolution rate of the sugar?
A. Putting the sugar cube in the water
B. Grinding the sugar cube and putting it in the
water
C. Swirling the sugar in the water
X
D. Heating the sugar in the water

Great job !!!!!!!
      
Go on to the next question.
114
Standard 1 Objective 1 Describe the chemical and
physical
properties of various substances
21
21
of

Which action had the most effect on the
dissolution rate of the sugar?
A. Putting the sugar cube in the water
B. Grinding the sugar cube and putting it in the
water
C. Swirling the sugar in the water
D. Heating the sugar in the water
X

Sorry, youll need to try again.
Clue
      
Go back to the question and click on information
so you can study the graph. Look at the column
labeled Average
115
Analyze the following chart to answer the next
few questions.
Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water

Flask Procedure Complete Dissolution Time, (Seconds) Complete Dissolution Time, (Seconds) Complete Dissolution Time, (Seconds) Complete Dissolution Time, (Seconds)
Flask Procedure
Flask Procedure Trial 1 Trial 2 Trial 3 Average
1 Sugar in water undisturbed 15.95 15.78 16.01 15.91
2 Sugar ground and placed in undisturbed water 10.64 10.82 10.53 10.66
3 Sugar ground, placed in water and swirled 1.78 1.82 1.86 1.82
4 Sugar ground, placed in water, swirled, and heated .42 .40 .52 .45
116
Standard 1 Objective 1