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In this engineering activity, challenge learners to invent a water filter that cleans dirty water.

In this activity, learners engineer a flying glider using paper hoops and a drinking straw.

In this activity, challenge learners to design a roller coaster ride for a marble using cardboard and other simple materials.

In this activity, challenge learners to keep an ice cube from completely melting in 30 minutes. Learners engineer a box or wrap to prevent an ice cube from melting.

This is an activity (located on page 3 of the PDF) about the mixture of materials in bone and how they affect its strength.