What is the primary composition of the lower atmosphere?

• Nitrogen 78.1% and oxygen 20.9%

• Oxygen 78.1% and nitrogen 20.9%

• Argon 78.1% and carbon dioxide 20.9%

• Carbon dioxide 78.1% and argon 20.9%

Tags

NGSS.MS-PS1-1

How does warm air compare to cold air in terms of density?

• Warm air is more dense than cold air

• Warm air is less dense than cold air

• Warm air has the same density as cold air

• Warm air is denser only at the poles

Tags

NGSS.MS-PS1-4

What is the polar front?

• The boundary between warm and cold air at the equator

• The boundary where polar easterlies meet the Ferrel Cell

• The boundary between the troposphere and stratosphere

• The boundary where trade winds meet

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What is the main cause of global circulation?

• Uneven solar heating and the rotation of the Earth

• Constant solar heating and Earth's magnetic field

• Equal solar heating and atmospheric pressure

• Uneven solar heating and ocean currents

Tags

NGSS.MS-ESS2-6

What is the main characteristic of the equator in terms of solar heating?

• Low angle of incidence

• High angle of incidence

• Constant solar heating

• No solar heating

What is the term for the area of high pressure and little surface winds at 30 degrees latitude?

• Doldrums

• Horse latitudes

• Polar front

• Equatorial low

Tags

NGSS.MS-ESS2-6

What is the name of the winds at 45 degrees N and S in the Ferrel Cells?

• Easterlies

• Westerlies

• Trade winds

• Polar winds

Tags

NGSS.MS-ESS2-6

What are large masses of warm, humid rotating air called?

• Tornadoes

• Cyclones

• Hurricanes

• Thunderstorms

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

What is the main force behind surface currents?

• Gravity

• Wind

• Temperature

• Salinity

Tags

NGSS.MS-ESS2-6

In which direction do currents in the Northern Hemisphere move?

• Left and counter-clockwise

• Right and clockwise

• Left and clockwise

• Right and counter-clockwise

Tags

NGSS.MS-ESS2-6