Properties, Changes and Conservation of Matter

Changes in size and shape are examples of ­­­­­_____ changes in matter.

• Physical
• Chemical

Physical changes can be brought about by

• Cutting
• Bending
• Dissolving
• All of the following are correct.

True or false: Physical changes include changes in the state of matter.

• True
• False

All of the following processes cause physical changes in matter except

• Burning
• Melting
• Freezing
• Boiling

Ice melting

• Chemical Change
• Physical Change

Water freezing

• Chemical Change
• Physical Change

Which of the following could indicate that a chemical change took place?

• Change in color

• Production of Energy

• Formation of Gas

• All are correct

The difference between a Physical change and a Chemical change is…

• Physical change is only a change to the outside appearance.

• Chemical change is when matter is changed into something new.

• Atoms are rearranged in chemical changes & not in physical.

• All are correct.

What does a chemical change result in?

• A change in state of the substance (ex. liquid to solid)

• A change in texture of the substance.

• A change in the way atoms are bonded to each other.

• A change in the appearance of the substance.

If the chemical properties of a substance remain unchanged & the appearance or shape of an substance changes it is a...

• Chemical Change

• Physical Change

• Both a physical and chemical change.

• Neither a physical or chemical change.