Global Patterns and Local Weather

Weather Patterns

EOG Review

Multiple Choice

Which of these actions causes wind?

• A. rotation of Earth on its axis

• B. movement of air from water to land

• C. uneven heating of Earth’s surface

• D. air passing Earth as it revolves around the Sun

Multiple Choice

The diagram shows the movement of air.

Which factor is MOST responsible for the movement of the air shown?

• A. uneven heating of the air

• B. imbalance in organisms breathing the air

• C. sunlight getting blocked by the land

• D. different levels of liquid in the air

Multiple Choice

Mrs. Anderson gave her class a quiz about the Gulf Stream. The first question asked students to draw the path of the current. Four of the maps are below.

Which student drew the path correctly?

• A. Tomas

• B. Cecily

• C. Humberto

• D. Zavia

Multiple Choice

Study the map of the polar jet stream below.

What type of weather would MOST likely appear at the location marked X?

• A. cold and dry

• B. cold and wet

• C. warm and dry

• D. warm and wet

Multiple Choice

The polar jet stream is an air current that flows across North America. It flows much faster in winter than it does in summer. Why is it faster in the winter?

• A. Northern air has more oxygen in winter.

• B. Northern air is warmer in winter.

• C. Northern air is colder in winter.

• D. Northern air is drier in winter.

Multiple Choice

Which MOST affects the path of a weather system in the United States?

• A. the width of the jet stream

• B. the speed of the jet stream

• C. the location of the jet stream

• D. the temperature of the jet stream

Multiple Choice

What do ocean currents carry that MOST affects climates?

• A. salt

• B. ships

• C. fish

• D. heat

Multiple Choice

Hurricanes that hit the east coast of the United States often start as low-pressure systems off the west coast of Africa. Which global winds move these hurricanes toward the United States?

• A. polar easterlies

• B. prevailing westerlies

• C. northeast trade winds

• D. southeast trade winds

Multiple Choice

Which causes the subtropical jet stream to bring cold, wet winter weather to the southeastern United States?

• A. El Niño

• B. La Niña

• C. Coriolis effect

• D. Santa Ana winds

Multiple Choice

Which best describes a characteristic of the jet stream?

• A. It forms a boundary between a cold air mass and a warm air mass.

• B. It creates the high winds around the eye of a hurricane.

• C. It forces the hot air along the equator to rise to areas in North America.

• D. It causes high pressure air masses to rotate clockwise.

Multiple Choice

Which is the best explanation for how air masses move across the United States?

• A. The prevailing westerlies move air masses from west to east across the United States but may be deflected by the jet stream.

• B. The trade winds move air masses from west to east across the United States.

• C. The jet stream moves air masses from the Pacific Ocean across the United States.

• D. The warm air of the Gulf Stream causes air masses to move from the Atlantic Ocean to the Pacific Ocean.

Multiple Choice

What will most likely result when the jet stream moves south of North Carolina?

• A. North Carolina will experience tropical weather conditions.

• B. North Carolina will experience hot, dry weather.

• C. North Carolina will experience mild weather.

• D. North Carolina will experience cold weather.