States of Matter Worksheet

Question 1

Name the three states of matter.

Accepted Answer

Solid, liquid, and gas

Question 2

Which state of matter keeps its own shape?

Accepted Answer

A solid

Question 3

What happens to liquid water when it is heated to 100 degrees Celsius?

Accepted Answer

It evaporates and turns into water vapor (a gas).

Question 4

Give one example of a solid, one liquid, and one gas.

Accepted Answer

Solid: ice; Liquid: juice; Gas: air (accept reasonable alternatives)

Question 5

What is the process called when a liquid turns into a solid?

Accepted Answer

Freezing

Question 6

What is condensation?

Accepted Answer

Condensation is when water vapor cools and turns into liquid droplets.

Question 7

How are liquids and gases alike, and how are they different?

Accepted Answer

Both take the shape of their container; gases expand to fill all available space while liquids have a fixed volume.

Question 8

You leave a puddle outside on a sunny day and it disappears. What happened to the water?

Accepted Answer

The water evaporated: it turned into water vapor and went into the air.

States of Matter