Question 1

What causes clouds to form?

Accepted Answer

Water vapor in the air condenses into tiny droplets or ice crystals.

Answer

The sun shines on the sky.

Answer

The wind blows water droplets together.

Answer

Birds flapping their wings.

Question 2

What is a cloud?

Accepted Answer

A visible mass of condensed water vapour floating in the atmosphere.

Answer

A type of airplane.

Answer

A type of bird species.

Answer

A rock formation.

Question 3

What is the name of the process by which water vapor changes into liquid water?

Accepted Answer

Condensation

Answer

Evaporation

Answer

Precipitation

Answer

Sublimation

Question 4

What causes thunder during a thunderstorm?

Accepted Answer

The air around a lightning bolt heats up and expands, creating a shock wave we hear as thunder.

Answer

The raindrops hitting the ground make the sound.

Answer

The clouds collide with each other.

Answer

The wind blows harder.

Question 5

What is the process called by which water falls from the clouds to the ground?

Accepted Answer

Precipitation

Answer

Sublimation

Answer

Evaporation

Answer

Condensation

Question 6

What is the process by which clouds form?

Accepted Answer

Condensation

Answer

Evaporation

Answer

Sublimation

Answer

Precipitation

Question 7

What are the tiny particles of solid or liquid that clouds form around called?

Accepted Answer

Condensation nuclei

Answer

Water vapor

Answer

Carbon dioxide

Answer

Oxygen

Question 8

What is the term for the process by which liquid water turns into water vapor?

Accepted Answer

Evaporation

Answer

Condensation

Answer

Precipitation

Answer

Sublimation

Question 9

What causes hail to form?

Accepted Answer

Supercooled water droplets in thunderstorm updrafts freeze into ice pellets

Answer

Hail is caused by a decrease in atmospheric pressure

Answer

Hail is caused by the rotation of the Earth

Answer

Hail is caused by precipitation falling from the clouds

Related quizzes