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Learners follow a three-step process to start their own rock collection.

In this activity, learners explore light and shadows by creating a lantern they can keep on their nightstand.

Learners drop two different masses of play dough and observe how long it takes them to hit the ground.

Learners observe projectile motion by launching wooden balls off of a table top. They set up a rubber-band launcher so that each ball experiences a consistent amount of force.

In this activity (on pages 16-21), learners get a sense of geological time by understanding how big a million is.

Learners build a pendulum from a yo-yo, and then design their own experiment to determine what affects the pendulum's period of swing.