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In this activity, learners use gumdrops and toothpicks to model the composition and molecular structure of three greenhouse gases: carbon dioxide (CO2), water vapor (H2O) and methane (CH4).

In this activity, learners investigate convection by using food coloring and water of different temperatures.

Working in groups, learners model the continuous destruction and creation of ozone (O3) molecules, which occur in the ozone layer.

In this experiment, learners use a blow dryer and water bottle to observe and record changes in air pressure caused by changes in temperature.