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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 models light wave interference

Soap Film Interference Model

Model the behavior of light reflecting off soap film surfaces.

Science activity that demonstrates light scattering in the atmosphere

Glue-Stick Sunset

Why is the sky blue? That's a sticky question.

Science activity that demonstrates Einstein's photoelectric effect

Photoelectricity

Get electricity from light.

Science activity using light projected through a drop of water to reveal an abundance of tiny organisms

Plankton Projector

Light projected through a drop of water reveals an abundance of life.

Science activity that demonstrates use of nonstandard measurements and simple ratios for estimating sizes or distances

Handy Measuring Tool

Measure the height of an object indirectly using your hand and a ratio.

Science activity that explores the relationship between filament and flashlight bulb

Sensitive Filament

Use your breath to make a visible change in an electric circuit.

Science activity that demonstrates depth perception

Size and Distance

So close, yet so far away.

Science activity that examines fluid pressure, force, mechanical work, and biomechanics

Hydraulic Arm

You’ll feel the pressure to do some heavy lifting.

Oboe de pajilla

Dos “labios” producen sonido.

Science activity to create an instrument that produces sound from a vibrating stretched membrane

Water-Bottle Membranophone

This surprising instrument is fun to make—and even more fun to play.

Science activity that models the motion of electrons

Electric Current Model

Use magnets to model the motion of electrons.

Science activity investigating visual perception

Looking a Little Spotty

Test how well your brain can see patterns.