Formulating Matter 1

Physical properties of a substance include

• Color and odor

• Melting and boiling points

• All of the above

When iron and oxygen combine to form rust

• A physical change occurs

• A change of state occurs

• A change in mass occurs

• A chemical change occurs

State whether the following changes are physical or chemical changes:

a. melting butter

b. breaking a window

c. burning gasoline

d. boiling water

Which of the following is a physical property?

• color

• hardness

• freezing point

• all of the above

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

• toasting bread

• cooking a hamburger

• digesting a banana

• melting butter

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

• cooking meat

• slicing cheese

• dissolving sugar in iced tea

• freezing water

Dissolving salt in water is a chemical change.

• True

• False

Physical changes can be reversed.

• True

• False

The burning of wood is an example of ----------- change.

The evaporation of water is an example of ----------- change.