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

In this science/art activity, learners create an insignia or emblem for a planet exploration mission.

In this simple activity, learners discover how a mere piece of paper can be used to hold up the weight of a heavy book.

Learners follow the template to build and fly a paper helicopter.

In this engineering activity, challenge learners to make a "grabber" that can pick up trash. Learners use simple materials to create pinchers that can grab small items.

In this activity, learners construct a simple air pressure launcher for paper rockets.

In this activity learners will build roller coasters and test them using small balls or marbles.

In this engineering activity, challenge learners to design a car using only 3 straws, 4 Lifesavers™, 1 piece of paper, 2 paper clips, tape, and scissors.

In this activity, learners are invited to imagine the park of their dreams!

In this activity, learners use things from the kitchen as building materials to explore how shapes contribute to the strength of different structures.

In this activity, learners construct a home-made journal with simple, everyday materials.

In this activity, learners consider the water features they might enjoy at a community park--a pond, brook, water playground (or "sprayground"), or pool--and what happens to the water over time.

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).