Properties and Changes in Matter

Question 1

What is a Physical property?

Answer 1

a characteristic or description of a substance that can be used to identify it.

Question 2

What is a chemical property?

Answer 2

A description of how the substance behaves and reacts with other substances

Question 3

What is a Physical change?

Answer 3

the substance changes or form but it does NOT change identity
-melting ice
-breaking glass

Question 4

What is a Chemical Change?

Answer 4

the starting substance is changed into new/different substances
-burning
-rusting
-cooking

Question 5

What are the common clues that indicate a chemical change has occurred?

Answer 5

permanent colour change
light is given off
change in temperature
change in Oder
bubbles of gas forms
solid form in a liquid
change is difficult to reverse