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Showing results 1 to 9 of 9
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Set It Straight
Source Institutions
In this activity, learners build a simple tabletop seesaw to test how different variables (the position of the fulcrum, distance, weight) affect its balance under increasing weight loads.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-218.png?itok=SByWeEoN)
All Wound Up
Source Institutions
In this activity, learners build a racecar using only a rubber band, spool, straw, and paper clip! This racer is a classic toy that zips across a flat surface.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-233.png?itok=ijtFigxH)
Action Figure
Source Institutions
In this project, students explore how levers work, by making a puppet with moving limbs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-214.png?itok=InBNIO71)
Motion Picture
Source Institutions
During this hands-on activity, learners are briefly exposed to moviemaking and animation, when they create their own thaumatropes.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-229.png?itok=gHEBjInX)
Hang Time
Source Institutions
Learn how to make and fly a paper helicopter! This simple activity includes a template (for the copter "blades") and instructions for folding, flying, and testing designs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-209.png?itok=L4CI__ys)
Screaming String Thing
Source Institutions
In this simple and fun activity, learners discover the relationship between vibration and sound by making a squeaky toy instrument out of simple household materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-943.jpg?itok=Sf3u5wQg)
Thaumatropes
Source Institutions
In this activity, learners will make a thaumatrope, an old-fashioned optical illusion that dates back to the 1820s.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-206.png?itok=1ER1UEii)
Target Practice
Source Institutions
In this dynamic activity, learners build a catapult that launches projectiles, such as marshmallows.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-281.png?itok=XYfbgMtv)
Scytale Messages
Source Institutions
In this activity, learners use a soda can to decode a secret message. Learners wrap scytale (pronounced ski-tally) code around a can and challenge friends to see if they can crack the codes.