States of Matter

Melting is the change in state of a:

• solid to a gas

• solid to a liquid

• liquid to a solid

• liquid to a gas

This diagram shows the changes in state of water. What is the process labelled X called?

• Melting

• Evaporation / Boiling

• Condensation

• Solidification / Freezing

Select one thing that gases and liquids have in common.

• They have a fixed shape

• They have a fixed size

• They are incompressible

• They can flow

This diagram shows the particles in a...

• Solid

• Plasma

• Liquid

• Gas

When water is heated, its volume increases. What happens to the particles?

• They are getting bigger

• They are moving faster

• They are moving slower

• They are getting smaller

This diagram shows the changes in state of water. What is the process labelled X called?

• Melting

• Evaporation / Boiling

• Condensation

• Solidification / Freezing

What change of state is taking place here?

• Freezing

• Condensation

• Boiling / Evaporation

• Melting

What is NOT true about solids?

• They have a fixed shape

• They have a fixed volume

• They can flow

• They are incompressible

In which state are the distances between the particles greatest?

• Solid

• Liquid

• Gas

• Both gas and liquid

This diagram shows the changes in state of water. What is the process labelled X called?

• Melting

• Evaporation / Boiling

• Condensation

• Solidification / Freezing