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Showing results 1 to 11 of 11
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Fused Plastic Wallet
Source Institutions
In this up-cycling activity, learners recycle plastic bags and repurpose them into useful wallets.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-249.jpg?itok=2w_oIEjx)
Oily Ice
Source Institutions
In this activity, learners experiment with the density of ice, water, and oil. Learners will discover that the density of a liquid determines whether it will float above or sink below another liquid.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-261.jpg?itok=K8ieKQmZ)
Kaleidoscope
Source Institutions
In this activity, learners build inexpensive kaleidoscopes using transparency paper and foil (instead of mirrors).
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-146.jpg?itok=JJF9liBe)
Buzzing Bee
Source Institutions
In this activity, learners explore sound by constructing an instrument toy that buzzes when you swing it.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-699.jpg?itok=uxJY8ipd)
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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-240.jpg?itok=ak0iolGJ)
Catapult
Source Institutions
In this activity, learners build mini catapults using paint paddles and a spoon. Use this activity to introduce learners to forces and projectile motion.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-264.jpg?itok=azjudSTv)
Floating Head Cup
Source Institutions
In this activity, learners watch a figure "magically" float up through the air.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-688.jpg?itok=cgEsPCBc)
Slide Whistle
Source Institutions
In this activity, learners build a slide whistle using PVC pipe, bamboo skewer, and piece of foam. Construction of the instrument is relatively simple.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-220.jpg?itok=KiOsfwBS)
Weather Vane
Source Institutions
In this meteorology activity, learners build weather vanes using straws, paperclips, and cardstock.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-702.jpg?itok=rOcfJwnz)
Torsion Drum
Source Institutions
In this activity, learners build a musical drum using a cardboard tube, plastic wrap, and beads.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-227.jpg?itok=0xRQ6Val)
Chirping Bird
Source Institutions
In this activity, learners build a cuica or chirping bird using straw, string, and a bottle cap. Use this activity to explore the interplay of motion and sound.