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In this demonstration, learners will be "wowed" as three matches burn to form a triangular pyramid shape and "magically" rise off the table.

Many people think the different stages in the life of a star are actually different types of stars, rather than just stages in the life of a single star.

In this activity, learners will make a thaumatrope, an old-fashioned optical illusion that dates back to the 1820s.

In this activity, learners explore how eating unhealthy food can damage a heart and arteries.

In this activity, learners imagine what the world might look like if we could build an elevator to space!

Learners will construct a model of a heart valve using a film canister, a piece of masking tape, and a piece of paper.

In this demonstration, learners attempt to get a large coin through a small hole, the size of a smaller coin.

This activity is designed to accompany the PBS documentary about African-American chemist "Percy Julian: Forgotten Genius." Learners look through two cups with small holes in them to simulate what it'

This is a lesson plan for an activity in which learners, playing the role of archeologists, use math concepts about number bases to decipher the Dresden Codex, an ancient Mayan document.

This hands-on astronomy activity lets learners hunt for different objects in the night sky that contribute to stellar and planetary formation, using a Treasure List.

This activity about cryptographic techniques illustrates a situation where information is shared, and yet none of it is revealed.

In this activity, learners will use their five senses to explore a nature-based area around them.

In this game, learners try to find nano-related objects on a game board. Learners investigate the different ways nano is in the world around us.

A simple, yet fun activity that lets learners find the center of balance of a ruler (or any long thin object). Developed by the Exploratorium and no assembly needed.

In this quick activity, learners practice locating a constellation in a map of very dark skies.