Search Results
Showing results 1 to 9 of 9
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-493.jpg?itok=c_b6UO1E)
Clear Slime Polymer
Source Institutions
In this chemistry activity, learners use guar gum to make slime. Use this activity to introduce learners to polymers, viscosity, and colloids.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-968.gif?itok=xewYii9i)
Make Your Own Paper
Source Institutions
The Chinese invented paper made from plants and cloth about 2,000 years ago. Learners follow a similar process to make paper from recycled paper.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-928.jpg?itok=95pFnCEL)
Confetti Launcher
Source Institutions
Hooray! In this design challenge activity, learners invent a device that launches a spoonful of confetti into the air. Learners are encouraged to create the biggest cloud of confetti possible.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-914.jpg?itok=AaZNkrVy)
Convenient Carrier
Source Institutions
In this design challenge activity, learners invent a convenient way for someone using crutches or a wheelchair to carry small personal items.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-608.jpg?itok=OL19PTIX)
Cup Draw (Low Tech)
Source Institutions
In this activity, learners construct drawing machines using a cup, some markers, and a battery pack. The markers act as "legs" for the machine, making a drawing that records as it moves.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-931.gif?itok=IrPYeE-W)
Kick Stick Challenge
Source Institutions
In this design challenge activity, learners investigate series circuits and motors to build a hand-held "kick stick." Their goal is create a battery-operated device that sends a Ping-Pong ball across
![](/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-000-000-001-919.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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-607.jpg?itok=yd67oh9r)
Jitterbugs
Source Institutions
In this activity, learners construct bug models that "jitter" all over the table with just a battery, motor, and counterweight.