4A - Thermal Properties of Matter

	4A 10.10 - Thermometry: Demonstrates: Temperature measurement. Description: Projection thermometer shows temperature variation between hot and cold water.
	4A 20.10 - Water Thermometer: Demonstrates: Expansion due to rising temperature. Description: An Erlenmeyer flask and extension tube filled with water that rises when heated.
	4A 30.10 - Bi-metal Strip: Demonstrates: Expansion due to heat. Description: A bimetal strip is heated and curls because one side expands more than the other. There is also a large (41") bimetal strip available for this demo but it gets heavy.
	4A 30.20 - Balls and Ring: Demonstrates: Exansion due to heat. Description: Ball & Rings. Heating the ring allows the ball to pass through it.