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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.

Human Power
Human Power

Why is the bicycle the most efficient way to travel? Explore bicycle science and culture.

Science activity that models ocean acidification
Ocean Acidification in a Cup

A carbon dioxide–rich atmosphere changes the water beneath it.

Science activity creating music with gravity
Falling Rhythm

Listen to the rhythm of falling weights.

Science activity that demonstrates perception of additive color mixtures
Colored Shadows

Not all shadows are black.

Science activity that uses off-center rotation to produce interesting vibrational behavior
Skippy

Make a jumpy mechanical pet that takes itself for a walk.

Science activity to make a model of your immune system
Antibody Attack

Discover how antibodies launch attacks on invaders.

Science activity that demonstrates human visual perception of images on a smartphone
Pixels, Pictures, Phones

Take a (super) close look at your smartphone. You may be surprised by what you see.

Science activity that demonstrates components of force and motion
Vector Toy

Components of force make a toy walk and stop at just the right time.

Bread Science 101
Bread Science 101

What's really going on when you bake? Find out.

Science activity using a balancing ball to demonstrate the Bernoulli principle
Balancing Ball

Suspend a ball in a stream of air.

Science activity that explores frequencies, forced vibrations, and resonance
Spaghetti Resonance

Demonstrate resonance by shaking dried spaghetti.

Science activity that demonstrates linear and rotational kinetic energy
Downhill Race

Two cylinders that look the same may roll downhill at different rates.

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