Weather

Which step of the water cycle turns liquid water into water vapor?

• condensation

• evaporation

• transpiration

• precipitation

Which step of the water cycle turns water vapor back into water droplets?

• condensation

• evaporation

• transpiration

• precipitation

Which step of the water cycle is the release of water through plants' leaves?

• condensation

• evaporation

• transpiration

• precipitation

Which step of the water cycle is when water comes down in the form of water, snow, hail, or sleet?

• condensation

• evaporation

• transpiration

• precipitation

What is the lowest layer of the atmosphere? (Closest to Earth)

• stratosphere

• mesosphere

• troposphere

• thermosphere

Which layer of the atmosphere contains our ozone layer?

• stratosphere

• mesosphere

• troposphere

• thermosphere

Which layer of the atmosphere is broken into the ionosphere and exosphere?

• stratosphere

• mesosphere

• troposphere

• thermosphere

What is the naturally occurring process that keeps Earth warm by trapping heat using gases in our atmosphere?

• global warming

• el Nino

• greenhouse effect

• global winds

Which gas traps the most heat?

• oxygen

• water vapor

• carbon dioxide

• fluoride

What is a small storm often accompanied by heavy precipitation and frequent thunder and lightning?

• thunderstorm

• hurricane

• tornado

• storm