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How Might Elevated CO2 Affect Plants
Source Institutions
In this activity, learners conduct an experiment to investigate the effect of elevated levels on CO2 on plant growth.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-116.jpg?itok=WwqZoc_P)
I Can't Take the Pressure!
Learners develop an understanding of air pressure in two different activities.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-117.jpg?itok=TX7iSrLh)
What's Hiding in the Air?: Rubber Band Air Test
Learners build devices from rubber bands to test for invisible air pollutants.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-589.jpg?itok=kdLCweSe)
What is a "Model"?
Source Institutions
In this activity, learners simulate the behavior of the atmosphere.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-676.gif?itok=kaAGk4t8)
Air Pressure and Dent Pullers
Source Institutions
In this activity, learners simulate Otto von Guericke's famous Magdeburg Hemispheres experiment.
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Make Your Own Weather Station
Source Institutions
This three-part activity shows learners how to build three meteorology tools: a wind vane, a rain gauge, and a barometer.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-602.png?itok=4qSvPdwH)
Why is the Sky Purple?
Source Institutions
This simple hands-on activity demonstrates why the sky appears blue on a sunny day and red during sunrise and sunset.
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Turning the Air Upside Down: Spinning Snakes
Learners color and cut out a spiral-shaped snake. When they hang their snake over a radiator, the snake spins.