Abeka Quarter Exam/ Ch 7-9/ Gr 8

What are the surface winds that blows towards the equator in the tropics?

• jet streams

• prevailing westerlies

• doldrums

• trade winds

Which of the following is one of the three major factors that caused weather?

• plate tectonics

• volcanic ash

• human activities

• water vapour

What are the warm winds that travels down the mountain slopes?

• foehns

• fall winds

• katabatic winds

• anabatic winds

What is the change on the direction of winds caused by Earth's rotation?

• Rossby effect

• Beaufort effect

• Coriolis effect

• Fujita effect

What colourful displays occur when solar wind particles react with molecules in the atmosphere?

• jet streams

• ozones

• Rossby waves

• auroras

What instrument do meteorologists use to measure the distance from the ground to the base of the clouds?

• ceilometer

• sounding rocket

• weather balloon

• transmissometer

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

• ability to measure wind speed

• ability to measure precipitation

• ability to detect hook echoes

• ability to determine object size

What extremely powerful radiation heats the molecules of the ionosphere?

• solar wind

• auroras

• cosmic rays

• Van Allen radiation

What is the reflected light from high- altitude lightning strikes in distant thunderstrom called?

• negative cloud- to- ground lightning

• positive cloud- to- ground lightning

• sheet lightning

• heat lightning

Which type of lightning comes from the top of a large thunderstorm?

• negative cloud- to- ground lightning

• positive cloud- to- ground lightning

• sheet lightning

• heat lightning