Science Notebook Layout DON

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• Density of Solids

• Introduction to Density
• Which weighs more, a pound of feathers or a pound
  of bricks? Explain.
• Data Table

Volume Mass Observations (color, texture, size, etc)




Item Observations Item Observations
Aluminum PVC
Copper Steel
Oak Pine
Lead Brass
Acrylic

• Density calculation
• Density Mass/Volume
• ___g/ ___mL
• ____g/mL
• We think this object is _____ because
• Describe the objects- color, etc
• Measure Mass with scale in grams.
• Use the displacement method to find the volume in
  mL.
• Graph your data on graph paper. Draw trend line.
• Calculate the items density in g/mL. (slope
  of line- average)
• Use the chart to try to identify what the item is.

For each item, write two observations- one
qualitative and one quantitative. Under the
chart, make a list How they are similar
How they are different
Density describes how much mass is in a given
volume of a material. Mass is measured by a scale
in grams. Volume can be measured by a technique
called displacement.
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• Conclusion
• Label paper cups R and B for red and blue. Mark
  a line about 1/3 of the way from bottom
• Put 1 level tsp of each mix in your cups.
• Test the aroma (use correct technique) and
  appearance of each. Record ratings.
• Use the toothpick to taste each dry mix. Record
  ratings.
• Mix with water Recipe Don't mix up the spoons.1
  level tsp. powder 1/3 of the small cup of warm
  water. STIR WITH TOOTHPICK!!
• Analysis of cocoa lab
• The experimental variable is __________
• Variables we Made the Test
• Controlled Unfair
• 3. How could bias influence the outcome of the
  cocoa lab?
• 4. Assume 2 brands of cocoa-explain how we could
  have done an experiment that was not biased.
• List at least 3 things we SHOULD have done so as
  not to be biased
• Include ways to make it a blind taste test.

• Tape in Cocoa Lab WS

Use 6 lines ONLY!!
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• Graph of Data

• My job _________
• Investigation 2B Making Predictions
• Read page 8 of the Lab Manual
• What is a model?
• What will we use the model we create for?
• QUESTION ______________________________
• Independent (experimental ) Variable _________
• Dependent (measured) Variable _______________
• Controlled Variables
• (List at least 4)

DATA TABLE COPY FROM PAGE 9
Distance of Photogates (cm) Time (seconds)
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20
30
50
60
Predictions I predict that it will take ___ sec
for it to go 80 cm. I predict that it will take
it ___ seconds to go 90 cm.
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• Conclusion Paragraph
• Topic sentence and conclusion
• Answer the question
• Did data support hypothesis?
• Explain using Supporting data (averages)
• Why do you think the hypothesis was correct or
  not ?
• What variables did you have to control to make it
  a fair test?
• Graph of Data

• My job _________
• Problem
• Does increasing the mass of a car make it go down
  a ramp faster? Skip 1 line
• Hypothesis
• If we increase the mass of the car, it will
  .
• Skip 1 line
• Procedure
• Ramp- which hole?
• Photogates- where? A,B?, interval?
• Clay
• Roll car 3 times to get similar time (0.001
  accuracy)
• Add weight?
• Experimental Variable Weight of car

Controlled Variable How controlled
1.Height of ramp Everyone place at 9th hole
2. Photogates Everyone place at outer black rings
3.
4.
Data Table
Weights in car Time (seconds)
no marble
1 weight
2 weights
3 weights
Materials List
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• Discussion for Lab 2A
• 1. Hypothesis Cars on steep ramps have shorter
  times between photogates.
• 2. Do the results of the 2nd trial agree with the
  hypothesis better than the 1st trial?
• Explain why..
• 3. Draw a graph of your data for trial 2
• Draw a picture of the proper setup of ramps to
  control variables- do not forget labels!!
• Move the photogates to the 2 higher black
  circles.
• Unscrew the starting bolt all the way.
• Release car other man style, no push
• Release the car until you get 3 runs with the
  time within .001 sec of each other.

• My job _________

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• pg 14 Name at top of page.
• Measurements have two parts the number and the
  unit.
• The number or quantity answers the questions,
  How much? or How many?
• The unit is the way the number is measured.
• Make a detailed drawing of the ramp

• Tape in WS 1B

Use 10 Lines

• Label photogates correctly "A" "B".
• Show wires hooked up to timer correctly (color
  red or blue)(Use Red for A and Blue for B
• Draw cars going through photogates, tell what
  happens to timer.
• Below picture Answer questions with a paragraph
• 1. Should timer be set for "stopwatch" or
  "interval"? Why?
• 2. Which lights should be on, A, B, or both? Why?
• 3. Describe what will happen to time when a car
  rolls down

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• Science Lab Safety Poster
• Neat
• Colored
• Safety slogan
• Pictures
• (due Tuesday 10/6/09)

• Safety Problems - color coded to picture
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10.

Tape in Prof. I Furgot handout
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• Ringed Flyer Lab- Graph and conclusions
• Conclusion What was the best ring flyer design
  and why?
• Paragraph needs to include
• Topic sentence and conclusion
• Answer the question
• Supporting data (averages)

• Ringed Flyer Lab
• Definebest flight.
• Is it the longest distance? Greatest time or
  something else?Explain why.
• I think best flight is.. Because..(use only two
  lines)
• list your observations to summarize your results.
  (at least 5)
• Include labeled diagram of design.
• New Question What can we change about the flyer
  to improve its flight?
• New Hypothesis

Flight Distance in feet
1
2
3
Average
Sketch of design Distance (feet) Distance (feet) Distance (feet) Average distance
Sketch of design Trial 1 Trial 2 Trial 3 Average distance



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• Cartesian Diver Activity- p.8
• 6. What makes the cartesian diver sink?
• What is it about squeezing the bottle that
  suddenly makes something that floats sink?
• 7. Write a new question and hypothesis involving
  the air in the diver. What combination of air and
  water is best to make a cartesian diver sink and
  float easily? Can you make a diver out of other
  materials?

• Cartesian Diver
• 1. Question What makes the diver go up and
  down?
• Skip 1 line
• 2. Hypothesis The magnet attracts the diver and
  makes it sink. Skip 1 line
• 3.Record basic observations of the behavior of
  the diver.
• Record at least three questions about the diver.

We know Questions
Use no more than 7 lines Use no more than 7 lines
4. Was hypothesis correct? 5. Write and draw
out your explanation of how the diver works
use the rest of the page- put a box around your
drawing and explanation
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• Leave blank for now

• Leave blank for now

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• Leave blank

• RAT for pages 37-42 of textbook

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• Tape in scoring rubric

• Table of Contents

Page Assignment
1 Title Page
2 Scoring Rubric
3 Table of Contents
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5 R.A.T. Worksheet
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8 Scientific Question (?)
9 The Cartesian Diver
10 Graph and Conclusion Ringed Flyer
11 Ringed Flyer Lab
12 Science Safety Poster
13 Professor I Furgot
14 Reflection Measurement and 1B
15 Investigation 1B (handout)
16 Discussion an Graph for 2A
17 Investigation 2A
18 Discussion and Graph for Weight of Cars Experiment
19 Cars Experiment Weight vs Time
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• Inside cover

• Title page
• Totally covered with
• colored pictures,
• your name in block letters,
• Your period

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