Matter

Which of the following is true about a solid?

• Its molecules are farther apart than in a liquid

• Its molecules are the same distance from each other as in a liquid

• Its molecules are closer together than in liquid

What is the best way to turn a liquid into a solid?

• Raising the temperature (boiling)

• Lowering the temperature (freezing)

• Putting it into a special container

A liquid can change into a gas through the process of

• condensation

• dissolving

• evaporation

What is it called when a gas cools and changes to a liquid?

• evaporation

• condensation

• freezing

Which is true about the molecules in a gas?

• They move freely and quickly.

• They cannot move.

• They move slowly and with difficulty.

Which gas must we breathe in order to live?

• hydrogen

• carbon dioxide

• oxygen

Any change in matter that produces a new kind of matter is called a __________________.

• chemical change

• physical change

• shape and form

Burned fire wood

• physical change

• chemical change

Breaking a glass beaker

• physical change

• chemical change

Tarnishing silverwater

• physical change

• chemical change