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Post on 23-Dec-2014
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Air Pressure Basics
Laura P. Dickey
Stamford Public Schools
Lesson Objective: •Students will describe how a barometer works.•Students will state the relationship between temperature and pressure
CT Standard:• Explain how changes in temperature, pressure, moisture and density of air create weather.
Barometer Basics
Using ActiVotes for Pre-test
Setting up barometers
What happened with the barometers?
What caused the balloon to rise and shrink?
What causes air pressure?
Student A:“The temperature helped increase and decrease the pressure inside the jar.”
Showing evidence of the barometer change
Student B “Cold air will have a heavier air mass than hot air.”
Student C “In the jars under the lamps the balloons are rising.”
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