Atmosphere and Weather Review

Front

What is the percentage of oxygen in Earth's atmosphere?

Back

21%

Front

This image shows the Gulf Stream. The Gulf Stream is a surface current in the Atlantic Ocean. It travels from near the equator toward the North Pole. Which statement best describes how this surface current affects the areas it passes?

Back

As the surface current moves north, it releases heat and warms the areas it passes.

Front

Location A and Location B are both north of the equator, in the Northern Hemisphere. Both locations are at sea level. Which location has a hotter climate, and why?

Back

Location B has a hotter climate because it receives more direct sunlight than location A.

Front

The density of our atmosphere _____________ with an increase in altitude.

Back

Decreases

Front

This diagram shows how wind forms. Which statement most accurately describes wind?

Back

Wind is the movement of air from a high-pressure area to a low-pressure area.

Front

What is the main cause of greenhouse gases? Options: Pollution (cars, factories, etc), Humans breathing (carbon dioxide), Radiation, Plants

Back

Pollution (cars, factories, etc)

Front

What causes the Coriolis effect, which causes winds to curve? Options: Gravitational pull of the moon, Continental deflections, the rotation of the Earth, density differences

Back

the rotation of the Earth

Front

What does this symbol on a weather map indicate?

Back

Cold front

Front

Look at the map. The map shows air pressure on a given day. Each line is an isobar. Air pressure is the same along the whole isobar. The H indicates an area with high atmospheric, or air, pressure. The L indicates an area with low air pressure. Which statement accurately describes the movement of wind?

Back

The wind will move from areas with higher air pressure to areas with lower air pressure.

Front

Which condition usually means cloudy, stormy weather? Options: high pressure, low pressure

Back

low pressure