Learn about the physics of resistance in a wire.

Create your own sandwich and then see how many sandwiches you can make with…

Test the pH of things like coffee, spit, and soap to determine whether each is…

Test the pH of things like coffee, spit, and soap to determine whether each is…

See how the equation form of Ohm's law relates to a simple circuit.

Stimulate a neuron and monitor what happens.

Make sparks fly with John Travoltage.

Learn how friction causes a material to heat up and melt.

Light a light bulb by waving a magnet.

Explore how heating and cooling iron, brick, water, and olive oil adds or…

Why do objects like wood float in water? Does it depend on size?

Watch your solution change color as you mix chemicals with water.