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Showing results 61 to 67 of 67
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Can Car
Source Institutions
In this physics activity, challenge learners to make a race-car out of a coffee can and rubber band. Demonstrate motion, forces, kinetic and potential energy and friction.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-918.jpg?itok=C8-JS7VU)
Extreme Kicking Machine
Source Institutions
In this design challenge activity follow up to "Kicking Machine", learners add a hands-free feature to their Kicking Machine.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-924.jpg?itok=rgb40AVf)
Sky Floater Challenge
Source Institutions
In this design challenge activity, learners make a balloon hover at eye level for five seconds, and then make it move by creating air currents.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-930.gif?itok=hu7Ep8gi)
Motorized Car
Source Institutions
In this design challenge activity, learners build a car that uses a battery-operated motor to "drive" at least ten feet.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-295.png?itok=R4PrPQbV)
Flinker
Source Institutions
In this activity, learners make a foam packing peanut "flink"--neither float away nor sink--in water. Learners experiment with materials to make a Flinker that "flinks" for 10 seconds.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-925.jpg?itok=KVlxMAl7)
Pop Fly
Source Institutions
In this design challenge activity, learners invent a way to send a Ping-Pong ball flying high enough to catch it - like football with a twist!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-919.jpg?itok=r_Bc2ngt)
Kicking Machine
Source Institutions
In this design challenge activity, learners build a machine that kicks a Ping-Pong ball into a cup lying on its side 12 inches away.