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Showing results 101 to 120 of 315
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Bobbing Eyeballs
Source Institutions
In this activity, learners use simple materials and basic tools to construct a special toy to explore pendulums. As the head of the toy bobs one way, the eyeballs bob the other way.
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Kid Moon: Splat!
Source Institutions
In this activity, learners model ancient lunar impacts using water balloons.
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Stretch Your Potential
Source Institutions
In this activity, learners create a toy that demonstrates the First Law of Thermodynamics or the Law of Conservation of Energy.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-705.jpg?itok=LMGNJNJ9)
Rubber Band Racer
Source Institutions
In this activity, learners construct speedy vehicles made out of paper plates and powered by twisted rubber bands.
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Evolution in Plane Sight
Source Institutions
In this activity, learners model directed evolution by making paper fly. Learners construct and fly paper airplanes.
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Make Your Own Magnus Glider
Source Institutions
Build a glider that uses the same physics as a curve ball, for less than a dime.
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Shadow Puppets
Source Institutions
In this activity, learners will create their own simple shadow puppets, and experiment with light and shadow while playing with them.
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Trip Wire
Source Institutions
In this activity, learners build simple alarms that they can attach to anything, such as a drawer or doorway. This activity introduces learners to electricity, circuits, and currents.
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Motor Bird
Source Institutions
In this activity, learners build a bird that flies in place with help from a motor, wire, and some straws.
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Paddle Boat
Source Institutions
In this activity, learners build an old-fashioned paddle boat out of simple materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-374.png?itok=drQbeaf_)
Kites
Source Institutions
In this engineering/design activity, learners make a kite, fly it, and then work to improve the design. Learners explore how their kite design variations affect flight.
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Glider
Source Institutions
In this activity, learners construct a paper glider to experiment with aerodynamic forces.
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Design a Grabbing Tool
Source Institutions
Using simple materials from around the house and recycled materials, learners will engineer a grabber device to pick up and put down objects that are at least 12 inches away.
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Speedboat
Source Institutions
In this activity, learners build a speedboat using paint paddles, a propeller, and film canister. Learners attach a simple circuit and motor to the boat to power the propellers.
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Marble Drop Game
Source Institutions
Build your own version of a favorite carnival game, in which a marble races down a maze consisting of rows of nails.
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Paddle Power
Source Institutions
In this design challenge, learners build a boat that paddles itself using a rubber band as its power source.
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That's the Way the Ball Bounces: Level 1
Source Institutions
In this activity, learners prepare four polymer elastomers and then compare their physical properties, such as texture, color, size, and bounce height.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-837.png?itok=km2e6ur_)
Baseball
Source Institutions
In this math activity (Page 17 of the Play Ball! PDF), learners play a game of "baseball" and analyze the results of the game.
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Tactile Mazes
Source Institutions
In this activity (15th activity on the page) about the sense of touch, learners use glue and cardboard to construct a maze they use with their eyes closed.
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Art Cars
Source Institutions
In this activity, learners design miniature cars. Learners can create a telephone car, soccer car, merry-go-round car, or any other theme car they can imagine.