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In this inquiry-based learning activity, learners design, build, and test their own ramps. They are introduced to a variety of materials and explore putting them together. They also create plans...

In this activity, learners model ancient lunar impacts using water balloons. By measuring the diameter of the crater area, learners discover that the Moon's largest impact basins were created...

In this activity, learners explore how changes in fluid pressure affect the buoyancy of a Cartesian diver inside a plastic soda bottle. This guide includes instructions for building a diver out of...

In this activity related to computer programming, learners give directions to a "robot" (either an adult or another learner) and find out which instructions the robot is able to follow,...

Learners trace, cut out and fly a boomerang, outdoors or in a large indoor space. Boomerangs are believed to have originated among the Aborigines of Australia, so this activity could be used in...

In this activity, you'll make an electric motor--a simple version of the electric motors found in toys, tools, and appliances everywhere. The activity includes three short online videos:...

In this activity, learners explore phosphorescence and how certain materials can absorb and store energy from a light source. Learners use critical thinking skills to hypothesize which type of...

In this activity, learners predict where a ball will go after it bounces off another object. Learners discover that the motion of objects is predictable based on laws of motion. Use this activity...