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40 terms

Near Terms

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Rotation
as the earth does this over a 24 hour time period, it creates day and night! Hopefully you can remember this one!
Revolution
as the earth does this over a 365 1/4th day time period, it creates years..
Tilt
creates seasons due to the amount of sun an area of the globe gets; northern and southern hemispheres are in opposite seasons due to this
Water Cycle
water circulates from the earth's surface to the atomosphere and then back again
Crust
The top layer of the earth's surface from about
Mantle
The second layer of the earth's surface
Outer and Inner Core
The 3rd and 4th layers of the earth's surface
Plate Tectonics
Moving slabs of rock and plates under the earth
Mountains
Created when plates collide together
Earthquakes
Created when slides bump or rub past each other
Weathering
Process by which rock is borken down into smaller pieces by cooling temperatures, wind, water, and ice
Erosion
Movement of sediment from one location to another by wind, water, and ice
Ecosystem
A group of animals and plants that depend on each other for survival
Habitat
The place where a plant or animal lives
Desertification
The spread of desert-like conditions due to overuse of soil and erosion
Natural Resource
Any material in nature that people value and need
Renewable Resources
Resources the earth replenishes naturally such as water, soil, trees, animals, the sun
Nonrenewable Resources
Resources that cannot be replaced such as fossil fuels
Hydroelectric Power
Power that is produced from the water
Solar Power
Power that is produced from the sun
Geothermal
Heat from the earth that produces energy
Wind Power
Windmills and wind turbines produce this type of power
Deforestation
Clearing the land of trees
Reforestation
Planting new trees to replace lost forestland
Fossils Fuels
Nonrenewable resources that come from the remains of animals and plants the include oil/petroleum, natural gas, and coal
Coal
Most abundant of the 3 fossil fuels; also the biggest pollutant
Oil
The rarest of the 3 fossil fuels; most of it is in the Middle East
Natural Gas
The cheapest burning of the 3 fossil fuels
Nuclear Power
Produced by the splitting of atoms; has dangerous wastes
Mineral Resources
Resources such as metal, rocks, salts, and gemstones
Climate
A region's average weather over a long period of time
Tropical Climate
Type of climate that is hot and warm; the low numbered latitude lines
Temperate Climate
Middle latitude lines; characterized by seasonal change
Polar Climates
Cold and dry; located in the higher latitude lines
El Nino
An ocean and weather pattern that affects the Pacific Coast of the Americas causing ocean and weather events to be extreme
Rain Shadow Effect
Moisture of the ocean air falls on one side of the mountain facing the wind; little moisture remains to fall on the other side, creating a rain shadow.
Highland Climate
Type of climate that changes with elevation and gets colder as you go up
Global Warming
Caused by the burning of fossil fuels and pollution release into our atmosphere by human causes which depletes our ozone layer
Dry Climate
Type of climate that recieves little or no rain and are found all over the world
Smog
Released from the top of factories that pollutes the air