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In this activity, learners investigate the basic crystal structures that metal atoms form. Learners construct models of crystals using Styrofoam balls and learn about hexagonal close packing (HCP)...

In this activity, learners explore electronics and motion by making a Scribbling Machine, a motorized contraption that moves in unusual ways and leaves a mark to trace its path. It’s made from...

Cardboard Automata are a playful way to explore simple machine elements while creating a mechanical sculpture. This activity was inspired by the Cabaret Mechanical Theatre, a group of automata...

In this activity, learners make scale models of the Sun and Earth out of paper mache. Using the models, learners will go outside to explore the real distance between the Sun and Earth using the...

In this activity, learners explore physics by building a catapult that launches marshmallows with household objects. This activity comes with step-by-step instructions and offers extensions for the...

In this activity, learners explore the engineering design process and the basic mechanics behind building bridges as they build one themselves using gumdrops and toothpicks. After building their...

In this activity, learners design and build their own parachute using household materials with the goal of landing their passenger safely on a target. This activity focuses on the design process-...

In this design challenge, learners will create wind-powered contraptions to transport a load, such as a cupcake or another small object, and test to see if they work. This activity is a great...