Chemical and Physical SUPERHERO Quiz

What is the BEST definition of a chemical change.

• Chemicals forming a new substance

• A change that is caused by chemicals, and can NOT be reversed no matter what.

• A chemical change is a change in matter, by chemicals.

• Chemical change results in the transformation of one molecular substance into another, the creation of a new substance.

Fill in the blank:

A ________________ is the change of mixing of water and oil

What kind of a change is the burning of coal?

• Neither

• Both

• Chemical

• Physical

True Or False:

If a substance CAN'T be reversed it is a physical change.

• False

• True

Yes Or No:

If I cut a sheet of paper so that it makes a long, long strip,do I have more paper?

Which weighs more: a WHOLE cookie or a cookie CRUMBLED

• The whole cookie

• The cookie crumbled

• Weighs the same

What change occurs when a birthday candle is lit?

• Both physical and chemical

• Physical

• Chemical

• Neither

True Or False:

Rust is an example of a physical change

• True

• False

What change is melting/burning a candle?

Which change do you THINK is most used?

• Physical

• Chemical