States of Matter

In which state of matter are particles packed tightly together in fixed positions?

• gas 
• solid
• liquid
• plasma

In which state of matter do particles spread apart and fill all the space available to them? 

• crystal
• liquid
• gas
• solid

The change from a  liquid to solid, or the reverse of melting, is called

• condensation
• boiling
• sublimation
• freezing

During the process of sublimation

• a solid turns directly into a gas
• a solid turns into a liquid
• a gas turns directly into a solid 
•  a liquid turns into a gas

In a(n) _______________________, the particles are packed closely together, but they can move past each other freely. 

• solid 
• liquid
• gas
• plasma

In which state of matter are the particles least able to move?

• A

• B

• C

Which of these three states represents a liquid?

• A

• B

• C

Which model represents gas?

• A

• B

• C

Which has more energy?

• Hot water

• Room temperature water

• Ice water

Particles in this state of matter are moving the fastest.

• solid
• liquid
• gas