How Great is Atmospheric Pressure
How Great Is Atmospheric Pressure? - Worksheet 1
Record your group data in the table below:
|Object |Weight/Force |Contact area |Pressure (psi) |
| |(pounds) |(inches2) |force ÷ contact area |
| | | | |
| | | | |
| | | | |
| | | | |
1. Predict which item from the class list you think is the closest example to the value of the actual pressure of the air around you?
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2. Explain why you think this.
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3. How does air pressure change with altitude? Explain your thoughts below.
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Aluminum Can Demonstration Observations
| |Your Description of Changes Observed |
|On tabletop, | |
|after heating | |
|After submerging | |
|in ice water | |
1. In the space below, draw a diagram of the can in the ice water. Use a letter H on your diagram to indicate the location of higher air pressure. Use a letter L on your diagram to indicate the location of lower air pressure.
2. Explain how you knew where to put the H and L on your diagram.
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