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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.

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 rice grains to model the composition of the atmosphere of the Earth today and in 1880. Learners assemble the model while measuring percentages.

This activity guide includes instructions on how to build a "Shake Table" by mounting an eccentric mass (off center) on the shaft of a small dc motor.

In this activity, learners make a 3-D model of magnetic fields by inserting a small, strong magnet into a sphere.

In this geology activity learners build a "squeeze box," which allows them to compress layers of sediment. This is a great way to investigate folding and faulting in the Earth.

In this activity, two groups of learners create two separate landform models out of clay (mountains and valleys).

In this activity, learners model hot spot island formation, orientation and progression with condiments.

In this activity, learners make a scale model of the Solar System and learn the real definition of "space." Learners use the online calculator to create an appropriate scale to use as a basis for thei

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

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

In this activity, learners create a model using metric measuring tapes and atmosphere composition data.