Science CA G3Ch7 Changes in Weather

Which term describes a collection of tiny water drops or ice crystals in the air?

• Water cycle

• Season

• Cloud

• Climate

What does a thermometer measure?

• Air pressure

• Temperature

• Precipitation

What is weather?

• The layer of gases farthest from Earth.

• The air at a certain time and place.

• A tool to measure air pressure.

At what time of day does the Sun heat the land and water the most?

• At sunrise

• At midday

• At sunset

• At night

What is wind?

• Moving air

• Still air

• Hot air

• Cold air

What does a barometer measure?

• Temperature

• Air pressure

• Wind speed

• Humidity

What is a cloud made of?

• Tiny water drops or ice crystals

• Sand and dust

• Smoke and fog

• Leaves and twigs

What might happen if cumulus clouds become dark?

• It will become sunny.

• It might bring thunderstorms.

• It will snow.

• It will be windy.

What is the process called when a liquid changes to a gas?

• Condensation

• Evaporation

• Precipitation

• Freezing

What is water in the gas form called?

• Ice

• Water vapor

• Rain

• Dew