Astronomy
8B - Stellar Astronomy
8A - Planetary Astronomy
8C - Cosmology
Demonstrates: Outer shells of a star being blown off during a supernova explosion.
Description: Rubber superballs are attached by a cage. When the supernova is dropped the top two balls fly off.
Demonstrates: How a pulsar works.
Description: A ball has a point light source inside. When the ball rotates the beam "pulses".