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In this quick and easy activity and/or demonstration, learners use two empty 2-liter bottles and hot tap water to illustrate the effect of heat on pressure.

In this online interactive, learners use fossils to infer temperatures 55 million years ago, at the sites where the fossils were found.

In this activity related to climate change and data analysis, learners examine temperature and precipitation data to determine if climate variations are due to El Niño.

In this online activity, learners experience the thrill of pickle making, and explore how a cucumber becomes a pickle.

Learners color and cut out a spiral-shaped snake. When they hang their snake over a radiator, the snake spins.