2nd grade science

Matter changes state when it is heated or cooled.

• True

• False

A solid becomes a liquid when the solid is cooked.

• True

• False

• False, heated

A gas that firms from water is called water vapor.

• True

• False

When a liquid changes to a solid, it melts.

• True

• False

• False, freezes

Why does an ice cube melt?

• Heat is removed

• Heat is added

• Heat is unchanged

How does the state of matter change when heat is removed from juice?

• Changes from liquid to a solid

• Changes from a solid to a liquid

• Changes from a gas to a liquid

What happens to a liquid when it changes to a solid?

• Condenses

• Evaporates

• Freezes

What happens to water vapor when it cools?

• Condenses

• Evaporates

• Freezes

Where does all matter come from?

• God

• Mom

• Dad

• My teacher

What happens in the water cycle when the sun it out?

• Water freezes

• Water melts

• Water evaporates

• Water condenses