Chapter 3

Question 1

Weather

Answer 1

The short term changes in the air for a given place and time

Question 2

Climate

Answer 2

A regions average weather conditions over a long period

Question 3

Prevailing winds

Answer 3

Winds that blow in the same direction over large areas of earth

Question 4

Ocean currents

Answer 4

Large streams of surface water

Question 5

Front

Answer 5

The place where 2 air masses of different temperatures or moisture content meet

Question 6

Monsoons

Answer 6

Seasonal winds that bring dry or moist air

Question 7

Savannas

Answer 7

Areas of tall grasses and scattered trees and shrubs

Question 8

Steppes

Answer 8

Semi dry grasslands or prairies

Question 9

Permafrost

Answer 9

Permanently frozen layers of soil

Question 10

Environment

Answer 10

Surroundings

Question 11

Ecosystem

Answer 11

A group of plants and animals that depend on each other for survival and the environment in which they live

Question 12

Habitat

Answer 12

The place where a plant or animal lives

Question 13

Extinct

Answer 13

Die out

Question 14

Humus

Answer 14

Decayed plant or animal matter

Question 15

Desertification

Answer 15

The spread of desertlike conditions