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This activity explores the basic workings of a siphon, which is the core technology that makes toilets work.

In this space science activity, learners explore transits and the conditions when a transit may be seen.

In this hands-on activity, children create their own kites that can fly indoors. Learners are exposed to basic concepts of gravity and air resistance.

In this activity, learners explore work, forces, simple machines, and construction. This lesson guide includes simple ways to demonstrate these principles as well as hands-on activities.