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

freezing

Question 2

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

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boiling

Question 3

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

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melting

Question 4

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

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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 .

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depositing

Question 6

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

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subliming

Question 7

Complete the statements by writing the number from the graph. The substance is in the gas phase only in region .

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5

Question 8

The substance is in both the liquid and the solid phase in region .

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2

Question 9

The substance is in only the liquid phase in region .

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3

Question 10

The melting point is the temperature at region .

Revolt · Accepted Answer

2

Solids and Plasmas Answers