States of Matter

All substances are made of

(a)  

Oil is less dense than water. What happens when you mix the two liquids together?

• 
  Oil sinks to the bottom of the container.

• The two become one smooth mixture.

• 
  The oil floats on top of the water.

• The water turns to gas inside the oil.

When you melt an ice cube, what is the new phase of the water?

• plasma

• liquid

• gas

• solid

Which of these is a difference between a solid and a liquid?

• 
  Solids are made of atoms, but liquids are not.

• A solid has volume but not shape, while a liquid has shape but not volume.

• The particles in a solid vibrate in place, while a liquid’s particles can flow.

• 
  Solids are measured in three dimensions, but liquids are only measured in two.

The change from a solid to a gas is called...

• boiling.

• sublimation.

• melting.

• freezing.