States of Matter

In this state of matter, molecules vibrate in place and are in very close contact

• Plasma

• Gas

• Liquid

• Solid

Which of the following take the shape of their container?

• Solid

• Liquid

• Gas

• Matter

The type of energy that has the greatest impact on state of matter is

• sound

• microwave

• thermal

• gravitational

Which of the following are true about gases?

• They have no definite shape

• They have a definite volume

• They are in close contact and vibrate in place

• They move quickly in all directions

When water freezes, it changes from a liquid to a solid. Which best describes the change in molecular movement?

• The particles move faster and farther apart.

• The particles lose thermal energy and slow down

• The particles gain thermal energy and slow down

• The particles gain thermal energy and speed up

Temperature is...

• an increase in thermal energy

• A way to measure the movement of molecules

• not related to thermal energy

• a way to measuring distance

Vaporization that takes place only at the surface is called

• vaporization

• evaporation

• boiling

• condensation

Which is the best definition for the freezing point of a substance?

• it is the temperature at which a substance becomes cold

• it is the temperature at which a substance changes from a liquid to a gas

• it is the temperature at which a substance changes from a liquid to a solid

When heat is added to a substance:

• thermal energy decreases, molecules slow down

• thermal energy decreases, molecules speed up

• thermal energy increases, molecules slow down

• thermal energy increases, molecules speed up

What point has water reached when it turns from a liquid to a solid?

• Melting Point

• Freezing Point

• Evaporation Point

• Boiling Point