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The Boxes Go Mobile
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Learners display their findings after a study of surface area and volume. They build a mobile to show a commercially available box and a constructed cubical box of the same volume.

New Boxes from Old
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Learners determine the surface area and volume of two identical boxes, and then figure out the dimensions of a cubical box with the same volume.

Apartment Buildings and More
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In this engineering activity, young learners investigate multi-level buildings.

Copter Engineering
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In this activity, learners engineer a paper helicopter that spins to the ground when dropped.

Pedal Power
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In this engineering activity, learners examine bicycle mechanics and gear ratios. Learners determine which gears will help them bike a set course in the shortest amount of time.

Manufacturing Technologies: Making a Picture Frame
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Learners examine the manufacturing process while they make picture frames from cereal boxes.

Paper Drop Design Competition
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Using paper, paper clips, an index card, and tape, teams of learners design flying devices to (1) stay in the air as long as possible and (2) land as close as possible to a given target.

Roving on the Moon
Add to list DetailsIn this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.
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.

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

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

Marshmallow Models
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No glue is needed for learners of any age to become marshmallow architects or engineers.

Super Spinners
Learners build at least two different spinners (tops) to investigate how mass distribution, size, and shape affect the length of time the spinner spins.

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

Paper Bridge
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In this engineering activity, challenge learners to construct a paper bridge that can support 100 pennies.

Design a Submarine
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Learners act as engineers and design mini submarines that move in the water like real submarines.

Super Golf Tower
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In this engineering activity, challenge learners to build a tower out of 10 sheets of newspaper and 3 feet of masking tape, which can hold a golf ball balancing at the top.

Action Figure
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In this project, students explore how levers work, by making a puppet with moving limbs.
Stranded
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What's a more compelling problem to solve than being stranded on a deserted island?
Dowels and Rubber Bands I
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If you have 3-foot dowels and rubber bands, you can can started on this fun and open design challenge. You can make structures big and small: make it so you can fit your parent into it!