Abeka Science 8th Earth and Space Chapter 9 Test

Lines of equal heat on a weather map:

A surface weather chart is a map that summarizes weather conditions:

Enhanced Fujita scale is used to classify

A downward stream of electrons that causes a second strike of lightning:

What forms the brillant flash of a lightning bolt?

A microburst is the

A tropical storm is a

A rotating column of air that starts on the ground and is not associated with a cloud:

Why does a weather balloon expand as it rises?

What is one of the major factors that cause weather

Saffir-Simpson scale is used to measure

What is a single updraft system in a thunderstorm?

What are the most destructive forces of a hurricane

Which of the following is an advantage of Doppler weather radar over older radar systems?

A forecast is

What is the reflected light from high-altitude lightning strikes in distant thunderstorms

Mature stage of a thunderstorm is marked by arrival of precipitation

A rotating column on the ground is a

A circulating spiral of wind around a low-pressure system:

What is a radiosonde?

The return stroke is what produces thunder.

Used to measure the amount of rainfall that a location receives

A ceilometer is used to:

Numbers and symbols on a weather map that indicate observations at a particular weather station

What is a large rotating updraft in a supercell?

A tropical disturbance is a tropical low-pressure system that does not have rotating winds

A weather vane measures

The elevated water level caused by a hurricane's winds is the

What type of air is limited in the height it can travel

The center of a hurricane is the eyewall.

Convection current is caused when hot air rises and cold air sinks due to a heat source

What instrument uses a flexible, airtight metal box to measure changes in atomospheric pressure

What is a weather balloon used for

In meteorology, the farthest distance at which objects can be distinguished is called a front.

A tornado that forms over water is called?

An anemometer measures

Positive cloud to ground lightning