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Downhill Race
Source Institutions
In this activity, learners explore how two cylinders that look the same may roll down a ramp at different rates.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-041.jpg?itok=ipTwEY0J)
Interactive Gumball Machine
Source Institutions
In this activity, learners review the history of gumball machines and explore potential and kinetic energy, while working in teams to build a gumball slide.
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Stop: Practice Stopping at Vehicle Intersections
Source Institutions
This is an online game about stopping distance. Learners choose one of three vehicles and one of three speeds.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-955.jpg?itok=W3N0o96p)
Statue Display Tower
Source Institutions
In this activity, learners design, build, test and redesign a display tower that will meet a specific set of criteria and constraints.