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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 that demonstrates the brightness of two light sources

Oil Spot Photometer

Compare the brightness of two light sources with an oil spot on a white card.

Sound Puzzle

See if you can put these sounds back together in this sonic jigsaw puzzle.

Science activity to explore hydraulics with a pair of dueling syringes

Hydraulic Battle

Plunge into hydraulics with a pair of dueling syringes.

Science activity that demonstrates magnetic and gravitational forces

Magnetic Free Fall

Two magnets dropped at the same instant exhibit interesting behavior.

Science activity to investigate convection

Inverted Bottles

Watch the rise and fall of hot and cold fluids.

Polarized Light Mosaic

With polarized light, you can make a stained glass window without gla

Copper Caper

Watch old pennies turn bright and shiny right before your eyes!

Science activity that demonstrates a solar cell transforming light into electricity

Output of a Solar Cell

Measure the efficiency of solar cells.

Science activity demonstrating color afterimage phenomenon

Bird in a Cage

Stare at one color—but see another.

Science activity that explores an electromagnet

Magnetic Suction

Ding dong! This investigation shows how your doorbell works.

A science activity that demonstrates the two-slit interference phenomenon

Two-Slit Wave Model

Use index cards to show how light plus light equals dark.

Bottle Blast-Off

Make a simple rocket and a rocket launcher, and watch a demonstration of how the finished rocket will fly.