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In this activity, learners investigate the food, water, and space needs of common livestock animals.

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.

In this activity, learners explore the potential of interchangeable standard parts to create a large number of unique creations in different combinations.

In this math activity, learners find patterns in telephone numbers.

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

In this activity, learners explore how engineers have met the challenge of keeping foods, liquids, and other items cool.