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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.

The Wheel

Why do road bikes have thin tires, while mountain bikes have fat tires?

Science activity that demonstrates lateral inhibition in perception of boundaries

Gray Step

Without a boundary, it’s hard to distinguish different shades of gray.

Science activity that demonstrates calculating the acceleration of gravity using simple materials

Falling for Gravity

“g,” that’s interesting! Investigating gravity.

Science activity creating music with gravity

Falling Rhythm

Listen to the rhythm of falling weights.

Science activity to construct a cube that can be perceived in two ways

Ambiguous Cube

A cube made from drinking straws can confuse your brain.

Science activity demonstrating how changes in atmospheric pressure feel

Feeling Pressured

Feel atmospheric pressure changes by stepping into a garbage bag.

The Race of Microorganisms

Pickling is the art of manipulating the microbial garden in foods.

Science activity that demonstrates the primary and secondary colors of light

The Three Little Pigments

Know your C, M, Y, and K.

Science activity demonstrating static electricity

Electrical Fleas

Start your own electric flea circus.

Science activity to to explore how curved mirrors reflect images

Soda Can Mirror

See how images appear in a curved mirror.

Science activity that shows the effect of temperature on pressure

Hand-Held Heat Engine

Make the liquid in this toy rise and fall in a cycle.

Science and art activity that demonstrates pitch and vibration

Sound Sandwich

Make beautiful music with sticks, straws, and rubber bands.