Science Test 8

Lightning is ______ that travels from one cloud to another or between a cloud and the ground.

• gravity

• electricity

• precipitation

What is the instrument used to detect air pressure changes and forecast weather?

• barometer

• hygrometer

• thermometer

A cyclone rotates around a ____-pressure area.

• low

• high

A scientist that studies weather is called a _______.

• ecologist

• geologist

• meteorologist

What is the rise of ocean water surrounding a hurricane called?

• monsoon

• drought

• storm surge

Which layer of the atmosphere has the greatest density of gases?

• lower

• middle

• upper

Which means that a tornado has been spotted?

• Tornado watch

• Tornado warning

• Tornado conditions

A weather phenomenon is a _____ event caused by specific conditions.

• catastrophic

• geological

• weather

What causes thunderstorms to move from west to east?

• global winds

• greenhouse effect

• jet stream

A monsoon is a seasonal _____.

• current

• storm

• wind