Atmosphere and Weather Quiz

What percentage of the atmosphere is composed of nitrogen?

• 78%

• 21%

• 1%

• 50%

In which layer of the atmosphere does most weather occur?

• Stratosphere

• Troposphere

• Mesosphere

• Exosphere

What is a prevailing wind?

• A wind that blows only at night

• A wind that blows from the poles

• The main wind blowing over a region

• A wind that changes direction frequently

What is the greenhouse effect?

• The reflection of sunlight by clouds

• The warming of the Earth by volcanic activity

• The cooling of the Earth by ocean currents

• The trapping of heat in the atmosphere by greenhouse gases

What causes global winds to form?

• The presence of mountains

• The rotation of the Earth

• Differences in air pressure

• The phases of the moon

What is the Coriolis effect?

• The deflection of winds due to Earth's rotation

• The warming of the Earth by the sun

• The cooling of the Earth by ocean currents

• The trapping of heat by greenhouse gases

How are winds named?

• By the direction they blow towards

• By the direction they blow from

• By the speed they blow

• By the temperature they carry

What is convectional rainfall?

• Rainfall caused by cold air sinking

• Rainfall caused by ocean currents

• Rainfall caused by moist air rising over mountains

• Rainfall caused by warm, moist air rising rapidly

What is another name for cyclonic rainfall?

• Monsoon rainfall

• Frontal rainfall

• Convectional rainfall

• Relief rainfall

What are the three main types of clouds?

• Nimbus, Altostratus, Stratocumulus

• Cumulus, Stratus, Cirrus

• Cumulonimbus, Altocumulus, Nimbostratus

• Stratocumulus, Altostratus, Cirrostratus