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100

 Permanently frozen layers of soil beneath the surface of the ground.



What is permafrost?

100

shedding all leaves annually at the end of the growing season and then having a dormant period without leave

What is Deciduous?

100

 a small area in a desert where water and vegetation are found

What is Osasis 

100

 the average of the daily high temperature and the overnight low; often used for comparison across climate regions

What is average daily temperature?

100

One of two days (about March 21 and September 23) on which the sun is directly above the Equator, making day and night equal in length

What is an equinox? 

200

forest with both coniferous and deciduous trees

What is a mixed forest?


200

 ( Spanish for “conqueror”; Spanish soldier who participated in conquest of indigenous peoples of Latin America)

What is coniferous? 

200

being in or facing the direction toward which the wind is blowing

What is leeward?

200

major type of ecological community defined primarily by distinctive plant and animal groups

What is terrain 

200

 An imaginary line that runs through the center of the Earth between the North and South Poles

What is axis?

300

the major type of ecological community defined primarily by distinctive plant and animal groups

What is biome?

300

result of a process by which dry areas develop on the leeward side mountain range

What is rainshadow?

300

 an inland grassland area

What is a praire?


300

  a frequently windless area near the Equator

What is doldrums?

300

- In astronomy the Earth's yearly trip around the sun is 365 ¼ days

What is revolution?

400

The capacity of certain gasses in the atmosphere to trap heat, thereby warming the Earth

What is the greenhouse effect?

400

effect the resulting diagonal movement, either north or south, of prevailing winds caused by the Earth’s rotation

What is Coriolis? 

400

being in or facing the direction from which the wind is blowing

What is windward?
400

major type of ecological community defined primarily by distinctive plant and animal groups

What is natural vegetation?

400

Weather patterns typical for an area over a long period of time

What is climate?


500

Continuous daylight, a time when the sun is visible at midnight during the summer in either Arctic or Antarctic

What is midnight sun?

500

Cold or warm stream of seawater that flows in the oceans, generally in a circular pattern.

What is current?


500

wind in a region that blows in a fairly constant directional pattern

What is prevailing wind?

500
  1. one of two days ( about June 21 and December 22) on which the sun rays strike directly on tropic of cancer to tropic of capricorn, marking the beginning of summer and winter,

What is Solstice?

500

 Condition of the atmosphere in one place during a short period of time

What is weather?

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