Science Snacks


Personal Pinhole Theater

A pinhole camera you can really get into.

Outdoor Shadows

Trace your shadow, then watch it change.

Marshmallow Puff Tube

Experiment with cardboard tubes of different lengths to see how far you can blow a marshmallow.

Straw Oboe

Use a soda straw to make sounds resonate.

Secret Bells

Create your own personal sound system with a coat hanger and a string.

Groovy Sounds

Build a paper-pencil-pin phonograph.

Remote-Control Roller

Rub a balloon on your head, then watch a soda can race across the floor or a table.

Ice Balloons

Learn about water chemistry, phase changes, and density.

Condiment Diver

Changes in fluid pressure affect the buoyancy of a Cartesian diver made from a condiment packet.

Corner Reflector

Two hinged mirrors create a kaleidoscope that shows multiple images of an object.