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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.

The "Rocket Reactions" activity is an exciting way to learn about how materials interact, behave, and change.

In this online activity, learners build their own system of heavenly bodies and watch the gravitational ballet.

In this activity, learners learn about friction by making their own miniature hovercraft.

This fun and simple hands-on astronomy activity lets learners experiment with marbles and weights to discover some basics about gravity and black holes.

In this online activity, learners use a realistic mass and spring laboratory. They hang masses from springs and adjust the spring stiffness and damping.

Create a simple dual pendulum and get them to swing in identical ways. This is a simple, low cost, activity produced by the Exploratorium.

In this fun and, at times, hilarious force and motion activity, learners will use household objects to build a crazy contraption and see how far they can get a tennis ball to move.

This fun and simple hands-on astronomy activity lets learners imagine what would happen if our Sun were replaced with a black hole.