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Crank It Up
Source Institutions
In this engineering activity, learners explore simple machines and then build cardboard automata using cams.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-225.png?itok=UYw0VnJJ)
Float My Boat
Source Institutions
In this activity, learners use tinfoil to build and test their own boats - which designs will float, and which will sink?
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-231.png?itok=VVna7t5x)
My Solar System
Source Institutions
In this online activity, learners build their own system of heavenly bodies and watch the gravitational ballet.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-326.png?itok=QeLoIyY5)
Marble Ride
Source Institutions
In this activity, challenge learners to design a roller coaster ride for a marble using cardboard and other simple materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-099.png?itok=bQQLLgQR)
No-Slip Grip
Source Institutions
In this physical sciences activity, learners explore friction. Learners investigate the factors that affect the force required to move an object.