at least 2,000 ft. above sea level
- highest
- high relief
What are mountains?
100
floats on melted, outer part of mantle
- thin layer of rock, sand and soil
What is the crust?
100
three causes that cause surface changes from outside the earth
What are wind, water and ice?
100
why earliest homes on banks of rivers and other waterways
What is for travel, trade, drinking water, irrigation for crops, hunting grounds when animals come to drink, food source (fish, waterfowl) ---> villages and cities then developed there?
100
between Arctic Circle and Tropic of Cancer and Antarctic Circle and Tropic of Capricorn
- sun’s rays at a slant part of
the year and almost directly
the rest e.g. cold winter, warm
summer
What is the temperate zone?
200
300 to 3,000 ft. a.s.l.
- raised areas of flat land
- low relief
What are plateaus?
200
center
- inner part is solid rock
- outer part is melted rock
What is the core?
200
caused by all three - rock and soil are moved from one place to another
What is erosion?
200
smaller bodies of salt water partly surrounded by land
What are seas?
200
north of Arctic Circle and south of Antarctic Circle
- no sunlight part of the year
- slanting rays the rest
- very cold, very few people
What is the polar zone?
300
500 to 2,000 ft. a.s.l.
- lower than mountains
- moderate relief
What are hills?
300
one huge land mass 220 million years ago
What is Pangaea?
300
helpful or destructive wind: Dust Bowl 1930 - wind blew away much of the soil
What is destructive?
300
a river and the streams that flow into it ---> largest - Nile - 4160 miles
What is a river system?
300
between Tropics of Cancer and Capricorn
- most direct rays of the sun
- hot all year-round
What is the tropical zone?
400
less than 1,000 ft. a.s.l.
- large areas of flat, gently rolling land
What are the plains?
400
hot, solid rock
What is the mantle?
400
helpful or destructive water: Huang Ho River floods farms and homes
What is destructive?
400
largest waterways and name them
What are four oceans ---> Atlantic, Pacific, Indian, Arctic?
400
you live in this zone
What is temperate zone?
500
Alexander the Great never conquered any Far East lands because his men refused to cross these mountains - “how geography affected history”
What are the Himalayas?
500
caused continental drift
What is movement of tectonic plates?
500
helpful or destructive ice: Four Ice Ages ---> smoothed hills into plains ---> created lakes ---> dug channels for rivers