Heating and Cooling

Heating and Cooling

Poll

How does heating or cooling change matter

• it can make matter change states

• it can make matter change shape

• it can make matter shrink or expand

• all of these are correct

Multiple Choice

Ice Begins to freeze and starts to melt at zero degrees celsius

• true

• false

Multiple Choice

Adding heat energy to ice makes ice

• melt and turn to liquid

• freeze and turn to solid

• melt and turn to solid

• freeze and turn to solid

Multiple Choice

Gas begins to boil at

• zero degrees celsius

• 30 degrees celsius

• 85 degrees celsius

• 100 degrees celsius

Multiple Choice

The gas state has the most heat energy

• true

• false

Multiple Choice

condense means heating a gas and turning it into a liquid

• true- when you add heat to a gas it turns to liquid

• false- when you cool a gas it turns back to liquid

Multiple Choice

To turn liquid water to ice, you must add

• heat it

• cool it

Multiple Choice

Liquid begins to freeze at

• 0 degrees celsius

• 32 degrees celsius

• 30 degrees celsius

• 100 degrees celsius