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

In this math-based activity, learners model the intensity of light at various distances from a light source, and understand how astronomers measure the amount of sunlight that hits our planet and othe

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 experiment, learners design and build a model room in a shoebox and furnish it with tiny furniture.

This lesson focuses on how nanotechnology has impacted our society and how engineers have learned to explore the world at the nanoscale.