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In this activity, learners build a sled kite that models a type of airfoil called a parawing.

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 experiment, learners work in pairs to create two gloves -- one that contains a layer of shortening (blubber) inside, and one that doesn't.

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.

In this full inquiry activity (located on page 3 of the PDF under GPS: Kinetic Sculpture Challenge Activity), groups of learners will make predictions about which feature of a pendulum (mass, length,

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