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In this engineering challenge, learners design and build a crane out of cardboard to see how heavy a load it can lift.

In this engineering activity, learners build a device (an anemometer) to measure how fast the wind is blowing.

In this activity, learners incorporate a simple switch into a battery/bulb circuit. Learners will use their knowledge of circuits to design and make their own switches using common materials.

In this engineering activity (page 5 of PDF), young learners investigate how materials and design contribute to the strength of a structure, particularly walls.

Learners examine the manufacturing process while they make picture frames from cereal boxes.

In this activity, learners explore the concept of friction and how ball bearings reduce friction.

In this activity, learners explore the concept of how brakes can stop or slow mechanical motion.