Big Idea 9

a change that does not result in a new substance

• Change of State

• Chemical Change

• Physical Change

a change that results in a new substance

• Change of State

• Chemical Change

• Physical Change

To bubble up and vaporize over direct heat

• simmer

• Evaporate

• Boil

• Air Pockets

Changing from a liquid to a gas when heat is added

• Melt

• Evaporate

• Condense

• Precipitate

Changing in state from a gas to a liquid when heat is taken away

• Evaporate

• Condense

• Boil

• Freeze

Changing in state from a liquid to a solid when heat is taken away

• Boil

• Freeze

• Evaporate

• Condense

When a solid mixes evenly into a liquid

• Dissolve

• melt

• freeze

• condense

Anything that takes up space and has mass

• mass

• matter

• Volume

• Weight

You teacher cuts a piece of wood into 2 pieces.

• The wood changed color and became a new substance

• The wood changed shape and became a new substance.

• The wood changed shape, but is still the same substance.

An ice cube has been sitting on a kitchen counter for a several minutes. What happens to the ice?

• it is melting.

• it is freezing

• it is dissolving