Weather Review

Cold air is _________________ dense than warm air.

• more

• less

• equally

As you ascend (go up) in the troposphere, what happens to the temperatures?

• warms

• stays the same

• cools

• ozone

What is in the stratosphere that makes that layer so warm?

• The Sun

• The Ozone layer

• Gamma radiation

• Nothing, it is just warmer

Which element makes up most (78%) of the atmosphere?

• Nitrogen

• Oxygen

• Ozone

• Water vapor

The source of all energy in the atmosphere is the:

• Moon

• Mars

• Pluto

• Sun

What forms where two air masses meet?

• Boundary

• Front

• Flood

• climate

Which is measured over a period of 30 years or more?

• Climate

• Weather

The condition of the atmosphere at a particular time and place is called:

• Weather

• Climate

• Ozone

• Jet stream

Clouds form around bits of sand, dust and smoke in the atmosphere. These are called:

• Condensation drops

• Condensation nuclei

• Cloud seedlings

• Pollution

What is the temperature to which you have to cool air to reach saturation?

• Relative humidity

• Pressure point

• boiling point

• dew point