Physical Science EOCT Practice Part II

1
Physical Science EOCT PracticePart II

• Milton High School

2

• Potassium is an element in group 1 and period 4.
  How many valence electrons does an atom of
  potassium contain?
• 1
• 2
• 3
• 4

3

• Potassium is an element in group 1 and period 4.
  How many valence electrons does an atom of
  potassium contain?
• 1
• 2
• 3
• 4

4

• What phase change occurs when a solid changes
  directly into a gas?
• Freezing
• Melting
• Evaporation
• Sublimation

5

• What phase change occurs when a solid changes
  directly into a gas?
• Freezing
• Melting
• Evaporation
• Sublimation

6

• What type of arrangement and motion do particles
  in a liquid have?
• Particles in liquid are closely packed together
  and vibrating.
• Particles in liquid are not in contact with each
  other and are moving very quickly.
• Particles in liquid are in contact with each
  other, but they are able to slip past one
  another.
• Particles in liquid are not in contact with one
  another and are moving at extreme speeds.

7

• What type of arrangement and motion do particles
  in a liquid have?
• Particles in liquid are closely packed together
  and vibrating.
• Particles in liquid are not in contact with each
  other and are moving very quickly.
• Particles in liquid are in contact with each
  other, but they are able to slip past one
  another.
• Particles in liquid are not in contact with one
  another and are moving at extreme speeds.

8

• Which of the following is NOT a drawback of
  nuclear power plants?
• The cooling of the nuclear core results in
  thermal pollution
• Nuclear power plants are safe and do not have the
  potential to leak radioactive material
• Nuclear waste from nuclear power plants must be
  stored safely and for thousands of years
• I only
• II only
• I and III only
• I, II, and III

9

• Which of the following is NOT a drawback of
  nuclear power plants?
• The cooling of the nuclear core results in
  thermal pollution
• Nuclear power plants are safe and do not have the
  potential to leak radioactive material
• Nuclear waste from nuclear power plants must be
  stored safely and for thousands of years
• I only
• II only
• I and III only
• I, II, and III

10

• During the process of melting, what happens to
  the temperature of the substance?
• It stays constant
• It increases
• It decreases
• It increases and then decreases

11

• During the process of melting, what happens to
  the temperature of the substance?
• It stays constant
• It increases
• It decreases
• It increases and then decreases

12

• Ms. Schaefer filled a balloon to its maximum
  capacity inside her air conditioned home. She
  then walked outside with the balloon and set it
  out on her deck where the balloon was exposed to
  the Suns radiant summer heat. According to
  Charles Law, what could happen to her balloon?
• It could pop because the increase in temperature
  would cause an increase in volume.
• It could pop because the increase in temperature
  will cause a decrease in pressure.
• It could get smaller because the increase in
  temperature would cause a decrease in pressure.
• It could get smaller because the increase in
  temperature would cause a decrease in volume.

13

• Ms. Schaefer filled a balloon to its maximum
  capacity inside her air conditioned home. She
  then walked outside with the balloon and set it
  out on her deck where the balloon was exposed to
  the Suns radiant summer heat. According to
  Charles Law, what could happen to her balloon?
• It could pop because the increase in temperature
  would cause an increase in volume.
• It could pop because the increase in temperature
  will cause a decrease in pressure.
• It could get smaller because the increase in
  temperature would cause a decrease in pressure.
• It could get smaller because the increase in
  temperature would cause a decrease in volume.

14

• Ms. Coln dissolves an unknown substance in water.
  The solution is corrosive, conducts electricity,
  and has a higher concentration of H ions than
  OH- ions. What kind of solution does this
  unknown substance form?
• An acidic solution
• A basic solution
• A neutral solution
• A non-electrolyte solution

15

• Ms. Coln dissolves an unknown substance in water.
  The solution is corrosive, conducts electricity,
  and has a higher concentration of H ions than
  OH- ions. What kind of solution does this
  unknown substance form?
• An acidic solution
• A basic solution
• A neutral solution
• A non-electrolyte solution

16

• What happens to the solubility of a typical
  solute as temperature increases?
• The solubility decreases
• The solubility increases
• The solubility remains the same
• There is no way to know without knowing which
  exact solute

17

• What happens to the solubility of a typical
  solute as temperature increases?
• The solubility decreases
• The solubility increases
• The solubility remains the same
• There is no way to know without knowing which
  exact solute

18

• What is the coefficient on Hg when the following
  equation is balanced?
• HgO Hg O2
• 1
• 2
• 3
• 4

19

• What is the coefficient on Hg when the following
  equation is balanced?
• HgO Hg O2
• 1
• 2
• 3
• 4

20

• What type of nuclear reaction results in a single
  nucleus undergoing an increase in atomic number,
  no change in mass number, and the release of an
  electron?
• Alpha decay
• Beta decay
• Gamma radiation
• Nuclear fusion

21

• What type of nuclear reaction results in a single
  nucleus undergoing an increase in atomic number,
  no change in mass number, and the release of an
  electron?
• Alpha decay
• Beta decay
• Gamma radiation
• Nuclear fusion

22

• Which of the following BEST describes the
  difference between speed and velocity?
• Speed includes distance and direction while
  velocity includes only distance.
• Speed includes distance and direction while
  velocity includes only direction.
• Velocity includes distance and direction while
  speed includes only direction.
• Velocity includes distance and direction while
  speed only distance.

23

• Which of the following BEST describes the
  difference between speed and velocity?
• Speed includes distance and direction while
  velocity includes only distance.
• Speed includes distance and direction while
  velocity includes only direction.
• Velocity includes distance and direction while
  speed includes only direction.
• Velocity includes distance and direction while
  speed only distance.

24

• Mr. Lanham takes off in his boat from the dock
  and reaches a velocity of 6 meters per second
  after 3 seconds. What is the boats
  acceleration?
• 0.5 meters/second2
• 2 meters/second2
• 6 meters/second2
• 18 meters/second2

25

• Mr. Lanham takes off in his boat from the dock
  and reaches a velocity of 6 meters per second
  after 3 seconds. What is the boats
  acceleration?
• 0.5 meters/second2
• 2 meters/second2
• 6 meters/second2
• 18 meters/second2

26

• Inertia is the tendency of an object to continue
  its current state of motion. Which of the
  following BEST describes the relationship between
  inertia and mass?
• A greater mass means that something is easier to
  slow down or speed up.
• The amount of inertia of an object is equal to
  its mass.
• The greater the mass of an object, the greater
  the inertia it has.
• The greater the mass of an object , the less
  inertia it has.

27

• Inertia is the tendency of an object to continue
  its current state of motion. Which of the
  following BEST describes the relationship between
  inertia and mass?
• A greater mass means that something is easier to
  slow down or speed up.
• The amount of inertia of an object is equal to
  its mass.
• The greater the mass of an object, the greater
  the inertia it has.
• The greater the mass of an object , the less
  inertia it has.

28

• When Mrs. Pullano is standing at the front of the
  class teaching Chemistry, the force of gravity is
  pulling her down toward the ground. The ground
  is pushing back with an equal and opposite force.
  This is an example of
• Newtons First Law of Motion
• Newtons Second Law of Motion
• Newtons Third Law of Motion
• The Law of Gravitation

29

• When Mrs. Pullano is standing at the front of the
  class teaching Chemistry, the force of gravity is
  pulling her down toward the ground. The ground
  is pushing back with an equal and opposite force.
  This is an example of
• Newtons First Law of Motion
• Newtons Second Law of Motion
• Newtons Third Law of Motion
• The Law of Gravitation

30

• Joel drops a baseball from a window on the tenth
  floor of his apartment building. Each floor has
  a height of 12 feet. What is the baseballs
  velocity after 2 seconds?
• 2.0 m/sec
• 9.8 m/sec
• 19.6 m/sec
• 24 m/sec

J
31

• Joel drops a hammer from a window on the tenth
  floor of his apartment building. Each floor has
  a height of 12 feet. What is the hammers
  velocity after 2 seconds?
• 2.0 m/sec
• 9.8 m/sec
• 19.6 m/sec
• 24 m/sec

J
32

• The mass of two objects is an important factor in
  determining the force of gravity between them.
  What is the second important factor?
• Their volume
• The distance between them
• Their diameters
• Their densities

33

• The mass of two objects is an important factor in
  determining the force of gravity between them.
  What is the second important factor?
• Their volume
• The distance between them
• Their diameters
• Their densities

34

• Which statement is correct?
• Weight is the amount of material in an object.
• Mass is the physical dimensions of an object.
• Weight is the gravitational pull on an object.
• Mass is the gravitational pull on an object.

35

• Which statement is correct?
• Weight is the amount of material in an object.
• Mass is the physical dimensions of an object.
• Weight is the gravitational pull on an object.
• Mass is the gravitational pull on an object.

36

• Mr. Sheridan entered his prize pumpkin in the
  State Fair. If the mass of the pumpkin is 140
  kg, what is its approximate weight?
• 14 g
• 1400 N
• 14000 N
• 6360 N

37

• Mr. Sheridan entered his prize pumpkin in the
  State Fair. If the mass of the pumpkin is 1400
  kg, what is its approximate weight?
• 14 g
• 1400 N
• 14000 N
• 6360 N

38

• It takes 8 seconds for a pulley system to lift a
  load that weighs 400 N to a height of 10 m. How
  much power is required?
• 4000 watts
• 3200 watts
• 500 watts
• 80 watts

39

• It takes 8 seconds for a pulley system to lift a
  load that weighs 400 N to a height of 10 m. How
  much power is required?
• 4000 watts
• 3200 watts
• 500 watts
• 80 watts

40

• In order for a lever to multiply its effort
  force,
• Its effort force must equal its resistance arm
• Its resistance arm must be longer than its effort
  arm
• Its resistance arm should be one meter in length
• Its effort arm should be longer than its
  resistance arm

41

• In order for a lever to multiply its effort
  force,
• Its effort force must equal its resistance arm
• Its resistance arm must be longer than its effort
  arm
• Its resistance arm should be one meter in length
• Its effort arm should be longer than its
  resistance arm

42

• What is the definition of power?
• The ability to do work
• The rate of doing work
• The amount of work done
• Work output provided by work input

43

• What is the definition of power?
• The ability to do work
• The rate of doing work
• The amount of work done
• Work output provided by work input

44

• Newtons first law of motion describes the
  tendency of objects in motion to continue in
  motion and objects at rest to remain at rest.
  What term is used to describe this behavior?
• Velocity
• Acceleration
• Displacement
• Inertia

45

• Newtons first law of motion describes the
  tendency of objects in motion to continue in
  motion and objects at rest to remain at rest.
  What term is used to describe this behavior?
• Velocity
• Acceleration
• Displacement
• Inertia

46

• An acorn falls from an oak tree to the ground and
  hits a squirrel on the head. What is the acorns
  final velocity if it falls for 3 seconds?
• 9.8 m/sec
• 19.6 m/sec
• 29.4 m/sec
• 96.0 m/sec

47

• An acorn falls from an oak tree to the ground and
  hits a squirrel on the head. What is the acorns
  final velocity if it falls for 3 seconds?
• 9.8 m/sec
• 19.6 m/sec
• 29.4 m/sec
• 96.0 m/sec

48

• Materials that prevent heat flow are
• Usually metals
• Conductors
• Insulators
• Radiators

49

• Materials that prevent heat flow are
• Usually metals
• Conductors
• Insulators
• Radiators

50

• What kind of wave does NOT require a medium for
  its propagation?
• A mechanical transverse wave
• An electromagnetic wave
• An electromagnetic transverse wave
• A mechanical longitudinal wave

51

• What kind of wave does NOT require a medium for
  its propagation?
• A mechanical transverse wave
• An electromagnetic wave
• An electromagnetic transverse wave
• A mechanical longitudinal wave

52

• In which medium would a sound wave travel the
  fastest?
• Air
• Vacuum
• Water
• Steel

53

• In which medium would a sound wave travel the
  fastest?
• Air
• Vacuum
• Water
• Steel

54

• A balloon is rubbed all over with wool. The
  balloon will now attract the water because
• The balloon and the water are magnets
• The balloon and the water have opposite charges
• The balloon and the water have like charges
• The balloon and the water are neutral

55

• A balloon is rubbed all over with wool. The
  balloon will now attract the water because
• The balloon and the water are magnets
• The balloon and the water have opposite charges
• The balloon and the water have like charges
• The balloon and the water are neutral

56

• If a simple circuit has one resistor of 3 ohms
  and a current of 3 amps, how many volts is the
  power source?
• 3 volts
• 6 volts
• 9 volts
• 19 volts

57

• If a simple circuit has one resistor of 3 ohms
  and a current of 3 amps, how many volts is the
  power source?
• 3 volts
• 6 volts
• 9 volts
• 19 volts

58

• Mrs. Davis toaster has a voltage of 60 volts and
  a current of 1.5 amps. What is the resistance of
  the heating element?
• 40 ohms
• 60 ohms
• 90 ohms
• 120 ohms

59

• Mrs. Davis toaster has a voltage of 60 volts and
  a current of 1.5 amps. What is the resistance of
  the heating element?
• 40 ohms
• 60 ohms
• 90 ohms
• 120 ohms

60

• Which of the following is NOT an example of
  alternating current?
• Dry cell battery in a flashlight
• Television set
• Current the power company sends to your school
• I only
• II only
• III only
• I and II only

61

• Which of the following is NOT an example of
  alternating current?
• Dry cell battery in a flashlight
• Television set
• Current the power company sends to your school
• I only
• II only
• III only
• I and II only

62

• Sally is making a solution of kool-aid by
  dissolving a package of cherry powdered kool-aid
  mix in a pitcher of water. What is the solvent
  in this solution?
• Cherry flavored kool-aid powder mix
• The water
• Cherries
• The spoon used to stir the solution

63

• Sally is making a solution of kool-aid by
  dissolving a package of cherry powdered kool-aid
  mix in a pitcher of water. What is the solvent
  in this solution?
• Cherry flavored kool-aid powder mix
• The water
• Cherries
• The spoon used to stir the solution

64

• During a water quality lab Sam tested a sample of
  water for nitrates by dissolving a testing powder
  in the water along with the required drops of
  sulfuric acid. Sam capped the test tube and
  vigorously mixed the solutions together by
  shaking. What is the solvent in this solution?
• Sulfuric acid
• The testing powder
• The shaking of the test tube
• The water sample

65

• During a water quality lab Sam tested a sample of
  water for nitrates by dissolving a testing powder
  in the water along with the required drops of
  sulfuric acid. Sam capped the test tube and
  vigorously mixed the solutions together by
  shaking. What is the solvent in this solution?
• Sulfuric acid
• The testing powder
• The shaking of the test tube
• The water sample

66

• Mandy wants to determine the density of a
  metallic object which is 40 g. She fills a
  graduated cylinder with water to the 50 mL mark
  and then gently places the metallic object in the
  graduated cylinder she just filled. The volume
  of water in the graduated cylinder with the
  metallic object moved from the 50 mL mark to the
  75 mL mark. What is the density of the metallic
  object?
• 0.53 g/mL
• 0.8 g/mL
• 1.6 g/mL
• 25 g/mL

67

• Mandy wants to determine the density of a
  metallic object which is 40 g. She fills a
  graduated cylinder with water to the 50 mL mark
  and then gently places the metallic object in the
  graduated cylinder she just filled. The volume
  of water in the graduated cylinder with the
  metallic object moved from the 50 mL mark to the
  75 mL mark. What is the density of the metallic
  object?
• 0.53 g/mL
• 0.8 g/mL
• 1.6 g/mL
• 25 g/mL

68

• When electricity is passed through water, the
  following decomposition reaction can occur
• 2H2O 2H2 O2
• What does the law of conservation of matter tell
  you about the ratios of particles in the chemical
  reaction?
• The reacting substances must be the same as the
  substances produced.
• The number of reactant molecules must equal the
  number of product molecules.
• The number of reactant compounds must equal the
  number of product compounds.
• The number of atoms of each element must be equal
  on both sides of the reaction arrow.

69

• When electricity is passed through water, the
  following decomposition reaction can occur
• 2H2O 2H2 O2
• What does the law of conservation of matter tell
  you about the ratios of particles in the chemical
  reaction?
• The reacting substances must be the same as the
  substances produced.
• The number of reactant molecules must equal the
  number of product molecules.
• The number of reactant compounds must equal the
  number of product compounds.
• The number of atoms of each element must be equal
  on both sides of the reaction arrow.

70

• What happens to the number of energy levels as
  you travel from the top to bottom in a group on
  the periodic table?
• The number of energy levels increases.
• The number of energy levels decreases.
• The number of energy levels stays the same.
• The number of energy levels is random as you go
  down a group.

71

• What happens to the number of energy levels as
  you travel from the top to bottom in a group on
  the periodic table?
• The number of energy levels increases.
• The number of energy levels decreases.
• The number of energy levels stays the same.
• The number of energy levels is random as you go
  down a group.

72

• Although light is visible from stars, we cannot
  hear the sound created when a star explodes.
  Light is a transverse wave and sound waves are
  longitudinal waves. Which statement is correct
  about light and sound waves?
• Light waves are transverse waves and they cannot
  move through the vacuum of space.
• Sound waves are longitudinal waves and they
  cannot move through the vacuum of space.
• Light waves and sound waves have identical
  properties, regardless of whether they are
  longitudinal or transverse waves.
• Sound and light travel through the vacuum of
  space, but sound waves are never able to reach
  Earth.

73

• Although light is visible from stars, we cannot
  hear the sound created when a star explodes.
  Light is a transverse wave and sound waves are
  longitudinal waves. Which statement is correct
  about light and sound waves?
• Light waves are transverse waves and they cannot
  move through the vacuum of space.
• Sound waves are longitudinal waves and they
  cannot move through the vacuum of space.
• Light waves and sound waves have identical
  properties, regardless of whether they are
  longitudinal or transverse waves.
• Sound and light travel through the vacuum of
  space, but sound waves are never able to reach
  Earth.

74

• What happens when you remove one of the light
  bulbs in a parallel circuit?
• Only that light bulb will go dark.
• All of the light bulbs will go dark.
• The current in the circuit will increase.
• The resistance in the circuit will increase.

75

• What happens when you remove one of the light
  bulbs in a parallel circuit?
• Only that light bulb will go dark.
• All of the light bulbs will go dark.
• The current in the circuit will increase.
• The resistance in the circuit will increase.

76

• When nitrogen gas (N2) and hydrogen gas (H2) are
  combined at a high temperature and under
  pressure, they turn into ammonia (NH3). Which is
  a balanced equation for this reaction?
• N2 2H2 2(NH3)
• N2 3H2 2(NH3)
• N 3H2 2(NH3)
• 2N2 3H2 2(NH3)

77

• When nitrogen gas (N2) and hydrogen gas (H2) are
  combined at a high temperature and under
  pressure, they turn into ammonia (NH3). Which is
  a balanced equation for this reaction?
• N2 2H2 2(NH3)
• N2 3H2 2(NH3)
• N 3H2 2(NH3)
• 2N2 3H2 2(NH3)

78

• A radioactive substance has a half-life of 40
  years. What fraction of the sample will remain
  at the end of 160 years?
• 1/2
• 1/4
• 1/8
• 1/16

79

• A radioactive substance has a half-life of 40
  years. What fraction of the sample will remain
  at the end of 160 years?
• 1/2
• 1/4
• 1/8
• 1/16

80

• Look at the reaction below.
• Neutron U-235 Kr-92 Ba-142
  2 neutrons ENERGY
• How do you know this reaction is a nuclear
  fission reaction?
• Energy is released
• One large nucleus is split into two smaller
  nuclei
• There are more neutrons in the products than in
  the reactants
• The mass of the reactants is greater than the
  mass of the products.

81

• Look at the reaction below.
• Neutron U-235 Kr-92 Ba-142
  2 neutrons ENERGY
• How do you know this reaction is a nuclear
  fission reaction?
• Energy is released
• One large nucleus is split into two smaller
  nuclei
• There are more neutrons in the products than in
  the reactants
• The mass of the reactants is greater than the
  mass of the products.

82

• What type of reaction results in a single nucleus
  undergoing a decrease in mass number, a decrease
  in atomic number, and the release of a helium
  nucleus?
• Alpha decay
• Beta decay
• Gamma radiation
• Nuclear fission

83

• What type of reaction results in a single nucleus
  undergoing a decrease in mass number, a decrease
  in atomic number, and the release of a helium
  nucleus?
• Alpha decay
• Beta decay
• Gamma radiation
• Nuclear fission

84

• Which of the electromagnetic waves has a
  frequency higher than visible light?
• Radio
• Microwave
• Ultraviolet
• I only
• II only
• III only
• I and II only

85

• Which of the electromagnetic waves has a
  frequency higher than visible light?
• Radio
• Microwave
• Ultraviolet
• I only
• II only
• III only
• I and II only