Clouds and Their Composition

What causes a cloud to form?

• Air cooling and condensing

• Air freezing

• Air evaporating

• Air melting

What happens to water in the air when it reaches the saturation point?

• It evaporates

• It condenses

• It freezes

• It disappears

What type of weather do cirrus clouds predict?

• Stormy

• Rainy

• Fair to pleasant

• Snowy

What is the main component of cirrus clouds?

• Water vapor

• Ice crystals

• Dust particles

• Smoke

What does the presence of cirrus clouds not indicate?

• Fair weather

• A change in weather

• Immediate rain

• High winds

What is another name for towering cumulus clouds?

• Stratus clouds

• Cumulus congestus

• Cirrus clouds

• Altostratus clouds

What can cumulus clouds develop into?

• Cirrus clouds

• Cumulonimbus clouds

• Stratus clouds

• Altocumulus clouds

Which cloud type is a middle cloud?

• Cirrostratus

• Altocumulus

• Stratocumulus

• Cumulonimbus

What is the height range for high clouds?

• Up to 6,500 feet

• 6,500 to 18,000 feet

• Above 18,000 feet

• Below 1,000 feet

What is one function of clouds in Earth's atmosphere?

• They create mountains

• They regulate energy balance

• They stop ocean currents

• They make the sky blue