Properties of matter and changes in form

Question 1

How is a physical property different from a chemical property?

Answer 1

A physical property can be observed with our senses while a chemical property can only be determined by changing a substances identity.

Question 2

What is the difference between an intensive and extensive property? Give an example of each.

Answer 2

Intensive properties do not depend on the amount of matter present e.g Density. Extensive properties depend on the amount of matter being being measured e.g. Mass.

Question 3

What is a physical change?

Answer 3

Any alteration to the size, shape, or state of a substance.

Question 4

What is a chemical change?

Answer 4

Any alteration to the molecular makeup of a substance.

Question 5

What is an Exothermic reaction?

Answer 5

A physical or chemical reaction that releases heat and energy e.g. making Ice Cubes

Question 6

What is a Endothermic Reaction?

Answer 6

A physical or chemical reaction that absorbs heat and/or energy e.g. boiling water, melting ice cubes.

Question 7

What is Matter?

Answer 7

Anything that occupies space and has mass.

Question 8

What is mass?

Answer 8

How much matter is in a object.