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In this geology activity, learners create a model using a mixture of salt and sand inside a CD case. When the case is tilted or inverted, the mixture dramatically sorts into a layered pattern.

In this activity, learners eat a snack and make a model of the plumbing system of a volcano.

This activity provides instructions for learners to create models of the Earth and then to model a "day" on Earth as well as modeling the seasons.

In this activity, learners use pegboard and straws to build a three-dimensional model of the periodic table.

In this activity, learners use crayons to draw conclusions about rocks and the rock cycle.

In this activity, learners build scaled-down structures and cantilevers in a series of "building out" challenges with bamboo skewers and tape.