8th Grade 2.2

Multiple Choice

Which of the following describes the process of freezing?

• Freezing occurs when the temperature of a substance drops to 0⁰C

• Freezing occurs when the particles of a solid vibrate so fast that they break free

• Freezing occurs when the temperature drops enough a gas turns into a solid

• Freezing occurs when the particles in a liquid slow down and take fixed positions

Multiple Choice

The process that makes ice cubes shrink as they sit in a freezer is called:

• sublimation

• condensation

• freezing

• boiling

Multiple Choice

The temperature at which a liquid turns into a gas is:

• called the freezing point

• called the boiling point

• 100⁰C

• the same for an amorphous or crystalline solid

Multiple Choice

Particles of which of the following have the greatest thermal energy?

• a liquid

• a crystalline solid

• a gas

• an amorphous solid

Multiple Choice

Sublimation and boiling both happen at the surface of the substance.

• True

• False

Multiple Choice

Vaporization is the reverse of condensation.

• True

• False

Multiple Choice

The temperature at which a liquid turns into a gas is called the boiling point.

• True

• False

Multiple Choice

Boiling is the reverse of freezing.

• True

• False

Multiple Choice

Water particles in gas coming off a pan of boiling water are moving slower than the particles of the water in the pan.

• True

• False

Multiple Choice

Evaporation and condensation are both types of vaporization.

• True

• False