World History Chapter 2

Front 1

Landform

Back 1

an area of the Earth's surface with a definite shape; mountains and hills are examples of landforms p. 27

Front 2

Mountain

Back 2

usually, a landform that rises more than 2000 ft (610 m) above sea level and is wide at the bottom and narrow at the peak p. 27

Front 3

Hill

Back 3

a landform that rise above the surronding land and that has a rounded top; a hill is lower and usually less steep than a mountain p. 27

Front 4

Plateau

Back 4

a large, mostly flat area that rises above the surrounding land; at least one side has a steep slope p. 27

Front 5

Plain

Back 5

a large area of flat or gently rolling land usually without many trees p. 27

Front 6

Plate Tectonics

Back 6

the theory that the Earth's crust is made of huge, slowly moving slabs or rock called plates p. 28

Front 7

Plate

Back 7

in geography, a huge section of Earth's crust p. 28

Front 8

Weathering

Back 8

the breaking down of rocks by wind, rain, or ice p. 29

Front 9

Erosion

Back 9

a process by which water, wind, or ice wears away landforms and carries the material to another place p. 29

Front 10

Atmosphere

Back 10

the multilayered band of gases that surrounds the Earth p. 27

Front 11

Natural Resource

Back 11

any useful material found in the environment p. 31

Front 12

Raw Material

Back 12

a material or resource that is still in its natural state, before being processed or manufactured into a useful product p. 32

Front 13

Recyclable Resource

Back 13

a resource that cycles through natural processes in the environment; water, nitrogen, and carbon are recyclable resources p. 32

Front 14

Renewable Resource

Back 14

a natural resource that the environment continues to supply or replace as it is used; trees, water, and wind are renewable resources p. 32

Front 15

Nonrenewable Resource

Back 15

a resource that cannot be replaced once it is used; nonrenewable resources include fossil fuels such as coal and oil, and minerals such as iron, copper, and gold p. 32

Front 16

Fossil Fuel

Back 16

any one of several nonrenewable resources such as coal, oil, or natural gas, created from the remains of plants and animals p. 32

Front 17

Weather

Back 17

the condition of the bottom layer of the Earth's atmosphere in one place over a short period of time p. 34

Front 18

Temperature

Back 18

a degree of hotness or coldness of something; such as water or air, usually measured with a thermometer p. 34

Front 19

precipitation

Back 19

all forms of water, such as rain, sleet, hail, and snow that fall to the gorund from the atmosphere p. 34

Front 20

Climate

Back 20

the weather patterns that an area typically experience over a long period of time p. 34

Front 21

Vegetation

Back 21

the plants in an area p. 36