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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 demonstrating balance and the center of gravity

Balancing Stick

Does it matter which end is up?

Science activity demonstrating diffusion in cells

Agar Cell Diffusion

Use agar cubes to investigate how size impacts diffusion.

Electromagnetic Antigravity

Change the measured weight of an object—without touching it.

Science activity that demonstrates resonance of sound waves

Organ Pipe

Get Bach to the fundamentals.

Science activity that models the energy released in an earthquake

Pasta Quake

The energy released in earthquakes ranges over many orders of magnitude.

Science Activity that explores how accelerometers work.

Measure acceleration with spaghetti and marshmallows.

Science activity investigating spectroscopy

CD Spectroscope

Turn an old CD into a spectroscope to analyze light.

Science activity that simulates subsurface magmatism and surface volcanism

Single-Serving Volcanism

Make and eat an intrusive snack.

Science activity that demonstrates magnification by a pinhole

Pinhole Magnifier

Who needs expensive optical equipment to see better?

Science activity to demonstrate the size of microscopic objects

Sizing Up

Discover some big surprises in the microscopic world.

Doubling Pennies

It's easy to fold a sheet of paper in half. But can you fold a sheet of paper in half ten times?

Science activity that transmits sounds through your body instead of the air

Radiohead

Listen to the radio in an unconventional way.