Science Snacks: friend | Exploratorium

Woman jumping from stairs.

Anti-Gravity Mirror

Learn how to fly with this neat mirror trick.

Science activity demonstrating visual perception illusion

Make a friend disappear, leaving only a smile behind.

Science activity to explore variations in skin color and tone

Explore variations in skin shade and tone.

Science activity that demonstrates the effect of air density on sound

Conversation Piece

A balloon acts as a lens to focus sound.

A smiling older Asian man speaking with a woman.

Everyone Is You and Me

Science activity demonstrating how changes in atmospheric pressure feel

Feeling Pressured

Feel atmospheric pressure changes by stepping into a garbage bag.

Science and engineering activity to make a record player

Make a record player with a pencil, pin, and paper.

Person with shadow.

Outdoor Shadows

Trace your shadow, then make it change.

Science activity to play songs by banging the end of a PVC pipe against your palm

Play songs by banging a PVC pipe against your palm.

Science activity that investigates peripheral vision

Peripheral Vision

Discover the outer limits of your eyes.

Science activity that demonstrates resonance of sound waves

Hold a seashell to your ear to hear a steady roar.

Science activity that explores DNA sequences, or the genetic code

Write a message in DNA.