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In this quick activity, learners use a toaster to investigate the source for the Earth's wind. Learners hold a pinwheel above a toaster to discover that rising heat causes wind.

In this quick and easy activity and/or demonstration, learners illustrate the effect of the weight of air over our heads.

In this activity, learners create a water prism to break light into the seven colors of the rainbow.

In this activity, learners use basic measurements of the Earth and pieces of rock and iron to estimate the mass of the Earth.