Expansion of Solids, Liquids, and Gases

________________ means to increase in volume.

____________________ means to decrease in volume.

Which state of matter shows the largest change in volume when warmed or cooled?

• Solid

• Liquid

• Gas

• Metal

Is this graph a warming curve or a cooling curve? (Does it show warming or cooling?)

• Warming

• Cooling

Is this graph a warming curve or cooling curve?

• Warming

• Cooling

Which graph show what happens as soon as a thermometer is placed in ice cream?

• 
• 

Why does a substance expand when it is heated?

Do all substances expand and contract at the same rate?

• Yes

• No

Why do liquids expand more than solids?

• Solid particles don't move at all.

• In a solid, particles are held in a fixed arrangement and can't move around as much.

• Liquids are slippery

• Particles in a liquid are more attracted to each other than in a solid.

True or False: A thermometer works because liquids expand and contract at predictable rates for certain temperatures.

• True

• False