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Shadow Puppets
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If you have lights, cardboard, scissors, and some brass fasteners, you can make shadow puppets! Create a story-telling and design challenge for your learners with this simple and creative activity.

Balls and Ramps
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In this activity, learners use simple, everyday materials to experiment with balls and ramps.

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

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

Balancing Sculptures
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In this activity, learners will use a variety of household and/or natural objects to design a sculpture that balances from a single point.

Which Parachute
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In this activity, learners will engineer three different parachutes to test how well each one works.

Mechanical Madness
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In this online Flash game, learners test their engineering know-how, moving a collection of mechanical parts onto a board to make complete a system of parts that will move a ball from start to finish.

Parachute Parade
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In this engineering activity, learners design parachutes to give toy figures safe landings. This activity is great for practicing an important STEM skill--changing only one variable at a time.

Let It Roll
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In this activity, learners will make their own "ball bearing" with two jar lids, marbles, and some household supplies.

Physics Tug of War
Learners set up books with rubber bands stretched between the books. When two identical books are stretched apart and released, they move back toward each other an equal distance.

Good News: We're on the Rise!
Learners build a simple aneroid barometer to learn about changes in barometric pressure and weather forecasting. They observe their barometer and record data over a period of days.

How Far?
To learn how friction affects motion, learners build a measurement tool from a rubber band and other simple materials.

Perching Parrot
Learners explore the concepts of equilibrium and center of mass by seeing how non-symmetrical objects balance.

Hovercraft Racers!
Learners build a simple hovercraft using air from a balloon to levitate a craft made from a compact disc (CD).

Egg-cellent Landing
Learners recreate the classic egg-drop experiment with an analogy to the Mars rover landing. The concept of terminal velocity will be introduced, and learners perform several velocity calculations.

Action-Reaction Rocket!
Learners construct a rocket from a balloon propelled along a guide string.

Hanging Around
Learners investigate weight by building a spring scale. They observe and record how it responds to objects with different masses.

A Merry-Go-Round for Dirty Air
Learners build a model of a pollution control device--a cyclone. A cyclone works by whirling the polluted air in a circle and accumulating particles on the edges of the container.

Leaning Tower of Pasta
Learners build structures from spaghetti and marshmallows to determine which structures are able to handle the greatest load.