Grade 4, Unit 5, Science, Weather

Front

What is the boundary between two air masses called?

Back

front

Front

What is the mixture of gases that surrounds Earth?

Back

atmosphere

Front

What is a large body of air that has the same temperature and humidity throughout?

Back

air mass

Front

What instrument is used to measure changes in air pressure?

Back

barometer

Front

What is a prediction or estimate of future weather called?

Back

forecast

Front

What is the term for the amount of water vapor in the air?

Back

humidity

Front

What do we call a scientist who studies weather?

Back

meteorologist

Front

What is the term for the movement of air from high pressure to low pressure?

Back

wind

Front

What is a storm with strong winds and heavy rain called?

Back

hurricane

Front

What is the term for a long period of abnormally low rainfall?

Back

drought