Physical and Chemical Properties

In physical changes, substances might change in __________ but not in __________.

• appearance, composition
• volume, state of matter
• texture, color
• weight, mass

True or False: a physical change may produce a new substance.

• True
• False

Which of the following is an example of a precipitate?

• liquid evaporating into gas
• a solid formed from a frozen liquid
• a chunk solid formed from two liquids combining
• a liquid solution that contains two substances

Which of the following is an example of a physical change?

• sugar and oxygen reacting to produce water and carbon dioxide
• honey dissolving in tea
• a raw egg being cooked
• metal rusting after being left out in the rain

A physical change can sometimes result in a color change. Which of the following situations show this?

• Milk turns yellow when it spoils.
• Dough becomes darker when it is baked into cake.
• A red candy dissolves and turns water pink.
• A match turns black when it is burned.

A copper penny turning greenish after a few years is an example of ...

• Chemical Change
• Physical Change

A change in which NEW substances are formed.

• Chemical change
• Physical change
• Casual change
• Formal change

Bubbles form when two or more substances are combined ...

• Chemical Change
• Physical Change

An explosion occurs ...

• Chemical Change
• Physical Change

A change in the size, shape, or state of matter.

• chemical change
• physical change