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In this activity, learners explore how boats are engineered to achieve speed.

In this activity, learners consider how a simple machine, a lever, turns a small push or pull (a small force) into a larger--or stronger--push or pull (a larger force).

In this activity, learners explore rocketry and the principals of space flight.

In this activity, learners simulate the process of DNA fingerprinting by using electricity to separate colored dyes.

In this activity, learners are challenged to design, build and test a birdhouse that will stay cool in the sun.

This activity (on page 2 of the PDF under SciGirls Activity: Lift Off) is a full inquiry investigation into the engineering challenges of sending scientific sensors into space.

Learners construct an electricity-generating wind turbine out of a plastic bottle.