Classroom Chemistry

An example containing two solids is:

• a solution of sand and water

• a mixture of sand and sugar

• a solution of sand and sugar

• a mixture of sugar and water

Anything that takes up space and has mass is called:

• matter

• solid

• colour

• atoms

The molecules in a liquid are...

• closer together than a solid and further apart than in a gas.

• are spaced the same as in solids and gases.

• closer than in gases but further apart than in solids.

• none of the above.

Which of the following is a characteristic of liquids?

• molecules are tightly packed

• takes the shape of its container

• constantly keeps its shape

• molecules are spread far apart

What are the 3 most common forms of matter on Earth?

• solid

• plasma

• liquid

• gas

When a liquid changes to a gas it is called...

• condensation

• melting point

• evaporation

• boiling point

What is a solid?

• a substance that does not have a definite shape or volume

• a substance with a definite volume, but no definite shape

• a substance with a definite shape and volume

• a substance whose particles glide past one another

Condensation is when a liquid changes to a gas.

• true

• false

An example of a liquid is oil.

• true

• false

Deposition is when a gas becomes a solid without going through the liquid phase.

• true

• false