Chapter 3 Flashcards
(22 cards)
Weather
Short term changes in the air
Climate
A regions average weather patterns during a certain time
Prevailing winds
Winds that blow in the same direction over large areas of the earth
Ocean currents
Large streamers of surface seawater
Front
A place where 2 air masses of different temperatures or moisture content meet
Monsoons
Seasonal winds that bring either dry or moist air
Savannas
Areas of tall grasses and occasional trees and shrubs
Steppes
Semi dry grasslands
Permafrost
Permanently frozen areas of soil
Environment
Surroundings
Ecosystem
Group of plants and animals that depend on each other for survival
Habitat
Place where a plant or animal lives
Extinct
Die out
Humus
Decayed plant or animal matter
Desertification
The spread of desertlike conditions
Natural resource
Material in nature that people use and value
Renewable resource
Resources earth replaces naturally
Non renewable resources
Resources that cannot be replaced
Deforestation
Clearing of trees
Reforestation
Planting trees to replace lost forest land
Fossil fuels
Non renewable resources that formed the remains of ancient plants and animals
Hydro electric power
Electricity from water power