The Exploratorium
Science Snacks
Snacks about Math

Snack name

Description

Corner Reflector

See yourself as others see you.

Inverse Square Law

Why the world gets dark so fast outside the circle of the campfire.

Radioactive Decay Mode

Substitute coins for radiation.

Solar Brightness

A photometer made by making a grease spot on white paper can be used to compare the brightness of the sun to the brightness of a lamp. By finding a position at which the sun is as bright as the lamp the power output of the sun can be estimated.

Spinning Blackboard

Create graceful loops and spirals by drawing on a spinning dish.

Spinning Cyclinder

A spinning rod with a mark near one end is set rotating and spinning at the same time. Amidst the blur of the spinning cylinder, the mark appears three times, forming a stationary triangle.

Strange Attractor

The attraction and repulsion of magnets produces entrancing, unpredictable motion.

Take It From the Top

How does this stack up?

 

Tired Weight

 

By measuring the amount of surface each tire presses onto the ground and the pressure inside each tire, you can calculate the weight of a car.

Vector Toys

A spinning rod with a mark near one end is set rotating and spinning at the same time. Amidst the blur of the spinning cylinder, the mark appears three times, forming a stationary triangle.