Question 1

What is the process called when a solid turns directly into a gas?

Accepted Answer

sublimation

Answer

evaporation

Answer

freezing

Answer

condensation

Question 2

What phase change occurs when a gas turns into a liquid?

Accepted Answer

condensation

Answer

freezing

Answer

sublimation

Answer

vaporization

Question 3

What is the term for the process of a liquid changing into a solid?

Accepted Answer

freezing

Answer

melting

Answer

sublimation

Answer

vaporization

Question 4

Which phase change describes the transition from a liquid to a gas?

Accepted Answer

vaporization

Answer

melting

Answer

condensation

Answer

sublimation

Question 5

What is the reverse process of sublimation called?

Accepted Answer

deposition

Answer

freezing

Answer

melting

Answer

condensation

Question 6

What happens to the kinetic energy of molecules during the melting process?

Accepted Answer

It increases

Answer

It decreases

Answer

It is transferred to other molecules

Answer

It remains constant

Question 7

What is the term for the temperature at which a substance changes from solid to liquid?

Accepted Answer

melting point

Answer

boiling point

Answer

freezing point

Answer

sublimation point

Question 8

What phase change occurs when a solid is heated and transforms into a liquid?

Accepted Answer

melting

Answer

condensation

Answer

sublimation

Answer

evaporation

Question 9

During which phase change does a substance release heat to its surroundings?

Accepted Answer

condensation

Answer

melting

Answer

sublimation

Answer

evaporation

Question 10

What is the term for the change of state from gas to solid?

Accepted Answer

deposition

Answer

sublimation

Answer

evaporation

Answer

condensation

Question 11

You take a cold bottle of soda out of the fridge on a humid day. Soon, you notice droplets forming on the outside of the bottle.

Where do these droplets come from?

Accepted Answer

The water vapor in the air condenses on the cold surface of the bottle

Answer

The soda is leaking through microscopic holes in the bottle.

Answer

The bottle is releasing moisture from within its material.

Answer

The liquid inside the bottle is seeping through the plastic or glass.

Question 12

At high altitudes, water boils at a lower temperature.

Why does this make cooking pasta or rice more difficult?

Accepted Answer

The lower boiling point means the water is not hot enough to cook the food properly, making it take longer.

Answer

The water evaporates too quickly, leaving the food dry.

Answer

The air pressure is too high, preventing heat from transferring to the food

Answer

he pasta or rice absorbs less water at high altitudes, making it stay hard.

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