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Historically, sea floor mapping (bathymetry) was done by soundings.

In this online activity, learners adjust mountain snowfall and temperature to see how glaciers grow and shrink. They will use scientific tools to measure thickness, velocity and glacial budget.

In this activity, learners investigate the formation of craters. Learners will examine how the size, angle and speed of a meteorite's impact affects the properties of craters.

In this kinesthetic activity that demonstrates pressure, learners act as air molecules in a "container" as defined by a rope.

In this activity (on pages 6-11), learners work as a team to investigate how impact craters on Earth, the Moon or other planets take shape and what patterns they make.

In this three part activity, learners explore and experiment with shadows to learn about the Sun's relative motion in the sky.

In this activity, learners discuss the different salinities of oceans, rivers and estuaries.

In this activity, learners model ancient lunar impacts using water balloons.

In this outdoor activity, learners plan a simple foot path and create an environmental impact study of the natural area where the path would be.