Solids and Plasmas

Question 1

Identify each of the phase changes described below. Liquid gold is poured into molds and cools to become solid bars. The gold is .

Revolt · Accepted Answer

B: freezing

Question 2

Liquid nitrogen becomes a gas when it is poured out of its container. The nitrogen is .

Revolt · Accepted Answer

A: boiling

Question 3

Solid iron is heated to high temperatures so that it becomes a liquid. The iron is .

Revolt · Accepted Answer

C: melting

Question 4

Water vapor in the air becomes tiny liquid droplets that form fog. The water is .

Revolt · Accepted Answer

A: condensing

Question 5

In a very cold cryogenic freezer, solid oxygen forms on the walls from the oxygen gas in the air. The oxygen is .

Revolt · Accepted Answer

B: depositing

Question 6

In the high desert, snow changes to water vapor without becoming liquid water. The snow is .

Revolt · Accepted Answer

C: subliming

Solids and Plasmas Answers