American Association for the Advancement of Science

In this physical activity, groups of learners act as blood cells traveling through the circulatory system.

In this lesson that includes hands-on activities and demonstrations, learners discover that it is the tilt of the Earth's axis (not its proximity to the sun) that causes the seasons.

In this activity about ramps, learners explore and measure the rate at which spherical objects roll down a ramp.

Learners look at labels on items in the room to determine where each item was manufactured, then write about the item on an index card.

A group of 6 learners works together as a team with each learner performing a different role. Together, they need to maneuver a die through a maze.

This activity models the necessary balance of creating power and cleaning up its associated waste. Learners participate in a game where they attempt to move forward toward a goal.

In this online activity, learners can test their skills at finding constellations in the northern hemisphere's night sky.

In this online simulation, learners can see adaptation and camouflage in action.

Learners discover how important their thumbs are by attempting various tasks without them. After tying up their thumbs, learners attempt to legibly write their names or play catch with a tennis ball.