Global Winds
Flashcard
•
Science
•
6th - 8th Grade
•
Practice Problem
•
Hard
Barbara White
FREE Resource
Student preview
16 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Global Winds Noun
[gloh-buhl windz]
Back
Global Winds
Winds that occur in large, steady belts that go all around the planet, driven by unequal atmospheric heating.
Example: This diagram shows Earth's major global wind patterns, including the Westerlies and the Trade Winds, and the general direction in which they blow.
2.
FLASHCARD QUESTION
Front
Convection Currents Noun
[kuhn-vek-shuhn kur-uhnts]
Back
Convection Currents
The movement of air in the troposphere caused by temperature differences, where warm air rises and cool air sinks.
Example: Warm air over land rises, and cooler air from the sea moves in to replace it. This circular movement of air is a convection current.
3.
FLASHCARD QUESTION
Front
Atmospheric Circulation Cells Noun
[at-muhs-fer-ik sur-kyoo-ley-shuhn selz]
Back
Atmospheric Circulation Cells
The six huge convection currents in the troposphere that are responsible for circulating air on a global scale.
Example: This diagram shows Earth's atmospheric circulation cells, where warm air (red arrows) rises and moves poleward, and cool air (blue arrows) sinks and returns.
4.
FLASHCARD QUESTION
Front
Troposphere Noun
[troh-puh-sfeer]
Back
Troposphere
The lowest layer of Earth's atmosphere, where weather phenomena and large-scale convection currents primarily occur.
Example: This diagram shows the Troposphere is the lowest layer of Earth's atmosphere, extending from the surface up to about 10 kilometers in altitude.
5.
FLASHCARD QUESTION
Front
Tropopause Noun
[troh-puh-pawz]
Back
Tropopause
The atmospheric boundary at the top of the troposphere that acts as a ceiling, preventing rising air from going higher.
Example: This diagram shows the tropopause as the boundary layer between the lower troposphere, where clouds form, and the upper stratosphere.
6.
FLASHCARD QUESTION
Front
Low Pressure Zone Noun
[loh presh-er zohn]
Back
Low Pressure Zone
An atmospheric region created by rising warm air, which is often associated with cloudy conditions, rainfall, and storms.
Example: In a low-pressure zone, converging warm and cold air forces moist air upward, causing it to cool and form clouds, leading to stormy weather.
7.
FLASHCARD QUESTION
Front
High Pressure Zone Noun
[hahy presh-er zohn]
Back
High Pressure Zone
An atmospheric region created by sinking cool air, which is often associated with clear skies and dry conditions.
Example: This image shows that higher pressure occurs at lower altitudes because there is more air (a heavier column of air) pushing down from above.
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