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In this activity, learners explore the relative sizes and distances of objects in the solar system.

This is an activity that models the operation of a seismograph, a tool used to measure the size of earthquakes.

Albert Einstein proved that space bends around anything that has mass. This activity uses Jell-O's ability to bend around objects as a model for space bending around planets and stars.

In this activity, learners explore how the shapes, sizes, and distances of land masses appear differently on two different models of Earth: an icosahedron and a flat map.