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Subject: Mathematics

Science activity that demonstrates the angle of repose
Avalanche
Find order in well-mixed chaos.
Science activity that experiments with rocket designs and a PVC launcher
Bottle Blast Off
Ready for liftoff? Build your own rocket launcher!
Science activity demonstrating paths of light reflection
Corner Reflector
See yourself as others see you.
Science activity that demonstrates the critical angle phenomenon
Critical Angle
Discover why your favorite cat videos don't leak out of optical fibers.
Cylindrical Mirror
See yourself as others see you in this cylindrical mirror.
Science activity that demonstrates the Doppler effect
Doppler Effect
The Doppler effect causes the “neeeeeoowwm” sound of a speeding car passing by.
Science activity that demonstrates reflections in a kaleidoscope
Duck Into Kaleidoscope
Make multiple images of yourself.
Science activity that explores the relative sizes of the earth and moon and the distances between them
Earth and Moon
Create a scale model of the earth-moon system using spheres of different sizes.
Science activity that demonstrates calculating the acceleration of gravity using simple materials
Falling for Gravity
“g,” that’s interesting!
Science activity creating music with gravity
Falling Rhythm
Listen to the rhythm of falling weights.
Science activity that explores fractal patterns and how they’re formed
Fractal Patterns
Make dendritic diversions and bodacious branches.
Science activity that demonstrates use of nonstandard measurements and simple ratios for estimating sizes or distances
Handy Measuring Tool
Measure the height of an object indirectly using your hand and a ratio.

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Attribution: Exploratorium Teacher Institute