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Subject: Physics

Science activity that demonstrates effect of temperature on density
Cool Hot Rod

Objects change size when heated or cooled.

Science activity demonstrating paths of light reflection
Corner Reflector

See yourself as others see you.

Science activity that demonstrates resonance in a pendulum
Coupled Resonant Pendulums

Two pendulums influence each other’s motion to create Intriguing patterns.

Science activity that demonstrates resonance in pendulums
Coupled Resonant Pendulums 2

Resonance can cause two pendulums to swing in identical cycles.

Science activity that demonstrates the critical angle phenomenon
Critical Angle

Discover why your favorite cat videos don't leak out of optical fibers.

Science activity that uses a coil of wire, a paper cup and a magnet to create a radio speaker
Cup Speaker

Make a speaker that turns changing electric current into sound.

Science activity that demonstrates the Curie point phenomenon
Curie Point

When a piece of iron gets too hot, it loses its attraction to a magnet.

Science activity to demonstrate the Magnus effect by launching cups with rubber bands
Curveball Demonstrator

Give flight a spin with the Magnus effect.

Cylindrical Mirror

See yourself as others see you in this cylindrical mirror.

Science activity to explore underwater color perception
Deep Blue

Submerge yourself in underwater color perception.

Science activity that demonstrates diffraction using a candle or flashlight bulb and two pencils
Diffraction

Demonstrate diffraction using a candle and two pencils.

Science activity that demonstrates a heat engine
Dipping Bird

A dipping bird seems to go forever—but it's not perpetual motion.

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Attribution: Exploratorium Teacher Institute