Atmosphere

What causes differences in air pressure around the Earth?

• Warm air rises at the equator and cold air sinks at the poles.

• Warm air sinks at the equator and cold air rises at the poles.

• Warm air rises at the equator and cold air rises at the poles.

• Cold air rises at the equator and warm air sinks at the poles.

What are the two highest layers of the atmosphere?

• Troposhere, Mesosphere

• Thermosphere, Mesosphere

• Stratosphere, thermosphere

• Troposhere, Stratosphere

Gas molecules in the atmosphere are pulled towards the Earth's rotation is called

• Air pressure

• Magnetism

• Gravity

• Density

Wind and ocean currents seem because of Earth's rotation is called?

• Trade Winds

• Convection Currents

• Coriolis Effect

• Polar Easterlies

What causes wind?

• Differences in air pressure

• Differences in gravity

• Differences in oxygen

• Differences in the thermosphere

The process by which gases in the atmosphere absorb thermal energy and radiate it back to Earth is called?

• The Thermal Effect

• The Greenhouse Effect

• Global Warming

• Radiation Balance

Thermal energy transferred by circulation of a liquid is called?

• Thermal Conduction

• Radiation

• Convection

• Round Current

Auroras are caused by electrically charged particles in the __________?

• Mesosphere

• Troposphere

• Hemisphere

• Ionosphere

The ozone layer is thinning because of what chemical?

• Nitrogen Sulfide

• Chlorofluorocarbons (CFC's)

• Hydrogen Peroxide

• Calcium Chloride

In 1985, scientists discovered holes in the ozone layer. In what part(s) of the globe were these found?

• At the equator

• In Egypt

• At the North and South poles

• In the middle of the Pacific Ocean