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Science Activities

Hungry for fresh, exciting science activities based in amazing phenomena? Science Snacks are hands-on, teacher-tested, and use cheap, available materials.

Science activity investigating spectroscopy

CD Spectroscope

Turn an old CD into a spectroscope to analyze light.

Science activity that explores magnetic lines of force

Magnetic Shielding

Magnetic lines stop here.

Science activity that demonstrates effect of color filters on perception

Color Table

Color your perception.

Science activity that demonstrates wave interference

On the Fringe (formerly Bridge Light)

Air trapped between two pieces of clear plastic produces rainbow-colored interference patterns.

Height Site

Make a tool that lets you measure how tall a building is or how high a rocket flies.

Chain Reaction

Rube Goldberg-inspired cause and effect contraptions using everyday materials and found objects.

Science activity to investigate earlobes

Ear Sort

Do your ears hang low—and what do textbooks know?

Bottle Racer

Build a rubber-band-powered rolling plastic water bottle.

Science activity that investigates skin surface area

Skin Size

Get all wrapped up in a lesson about your skin.

Science activity that demonstrates the behavior of a spherical lens

Water Sphere Lens

A round bowl of water can act as both a magnifier and a lens.

Science activity that explores the carbon cycle

Follow the Carbon

Model the carbon cycle and its principal reservoirs and flow rates using rice.

Science activity that demonstrates the chemistry of a battery

Penny Battery

Light an LED with five cents.