Today’s Agenda
Tuesday, September 8, 2015
 Finish Setting Up YOUR
Science Interactive Notebook
• Blocks A, B & EReflection on Multitasking
Lab – Due Today
• Paperclip Lab
Homework
Author’s Page- due Friday
9/11 Memorial, New York
Today’s Agenda
Wednesday, September 9, 2015
Paperclip Lab—Part 2
• Block A- Reflection on
Multitasking Lab – Due
Today
Homework
Author’s Page- due Friday
10,000 Feet
How many paperclips fit in a cup
filled with water without it
overflowing?
In your SINK- on page 6- List
what you think are the five most
important lab safety rules.
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•
•
•
•
•
Be cautious of your surroundings
Wear goggles
NEVER eat or drink in LAB
Hands to yourself
No fooling around
Wait for instructions
Questions/Comments/Predictions
• How much water is in the cup?
• How many paperclips are allotted to each
group?
• Can we alter the paperclips?
Results
Table
1
2
3
4
5
Number of Paperclips
70
305
154
80
207
Class Data
Number of Paperclips vs. Paper Cup
350
300
Number of Paperclips
250
200
150
100
50
0
1
2
3
4
5
6
7
8
9
10
11
Table #
12
13
14
15
16
17
18
19
20
21
Materials
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•
•
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Dixie cup
Jumbo Paperclips (ACCO)
Faucet Water (88 mL)
Beakers
Graduated cylinder
Paper towel
Procedure
1. Measure 88 ml of water and pour it into the
cup.
2. Gently put paperclips upright in the cup one
at a time. (Do NOT touch the water.)
3. Keep track of the number of paperclips until
the water overflows.
Measuring Volume of Liquids
Beaker
Flask
Graduated
Cylinder
How to Read a Graduated Cylinder
Variables
Constant Variables
• Steady surface to do the experiment on
• Touching the water
• Size of cup
• Size of paperclips
Control
• Amount of water in the cup
The cup with
• Time
ONLY water
• Temperature
• What “full” means
Dependent Variable
• # of paperclips that fit in the cup
Independent Variable
• Putting the paperclips in the water
Hypothesis
• If paperclips are placed in a cup filled with
water, then ________ paperclips will fit before
the water overflows because…….
Results
• Number of
Paperclips
• Observations
• Drawing of
Cup with
Paperclips
Results…Redo- A
Table
1
2
3
4
5
6
Number of Paperclips