Chapter 3 Physical Science

A substance absorbs energy from its surroundings during a(n) __________ change.

• phase

• solid

• vapor

• sublimination

The energy absorbed by one gram of ice as it melts is known as the ________ for water

• exothermic change

• endothermic change

• sublimation

• condensation

As water freezes, it releases heat to its surroundings. Freezing is an example of a(n) ________ change.

• endothermic change

• vapor

• exothermic change

• condensation

Is the following sentence true or false?

Water molecules have a more orderly arrangement in ice than in liquid water.

• True

• False

When liquid water freezes, the average kinetic energy of its molecules __________, and the arrangement of the molecules becomes more orderly.

• is gained

• remains the same

• becomes a cat

• is lost

Vaporization is the phase change in which a substance changes from a(n) _________ into a(n) ____________.

• gas

  liquid

• solid

  gas

• liquid

  gas

• solid liquid

The energy absorbed by one gram of water as it changes from its liquid phase into water vapor is known as the _________ for water.

• liquid change

• exothermic change

• solid change

• endothermic change

Is the following sentence true or false?

When water vapor collects above the liquid in a closed container, the pressure caused by the collisions of this vapor and the walls of the container is called vapor pressure.

• True

• False

The phase change in which a substance changes from a gas into a liquid is called ________.

• vapor

• condensation

• sublimation

• exothermic change

Is the following sentence true or false?

A gas absorbs energy is it changes into a liquid.

• True

• False