Download Unit 1 The Earth, Water, and Landforms

Name: _____________________________________
Unit 1
The Earth, Water, and Landforms
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_______________-landmasses above water
________________-sun and 9 known planets, comets, spheres, asteroids
Structure of the Earth
Inside: ______- solid metallic center made of iron and nickel
_________- floating on the core- a soft layer of molten rock about
1800 miles thick
__________- molten rock created when the mantle melts the
underside of the crust
___________- thin layer of rock at the earth’s surface
On and above earth_______________- surrounding the earth-layer of gases, oxygen, protects
from radiation, space debris
_______________- solid rock- some below water and forms floor of ocean
_______________- 7
_________________- made up of water elements-oceans, rivers,
lakes,etc
_______________- atmosphere, lithosphere, and hydrosphere; where
plants and animals live
_____________________- earth was once a super-continent that divided and
slowly drifted apart over mils of years
__________________ - super-continent that split into many plates, drifted,
crashed into each other and split apart several times before they came to their
current positions. Took mils of years
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Oceans and seasThe ocean is an interconnected body of water that covers about 71% of our
planet- ____________, __________, ___________, and______________
Largest: ___________
____________: Salty water of the ocean circulates thru 3 basic motions
- ____________-rivers flowing
- ____________-swells
- ____________- rise and fall of the ocean created by the gravitational
pull of the sun or moon
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_______________________- Continuous circulation of water between the
atmosphere, vapor cools, condenses, and falls to earth
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Lakes, rivers, and streams- Lakes hold more than 95% of all the earth’s fresh
water supply
Largest freshwater lake- Lake Baikal (Russia)
________________- glacial action
_____________- changes in the earth’s surface that cut off outlets to the
sea; no outlet to carry salt away
Largest saltwater lake is the Caspian Sea (W. Asia)
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__________________ is water held in pores of rocks
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______________________- naturally formed features on the earth
_______________________- sea floor has landforms similar to those
above water.
______________________- earth’s surface to edge of a continent to deep
point of the ocean
Mountain ranges cover parts of the ocean floor- _____________________
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Continental Landforms________________-difference in elevation of a landform from its lowest to
highest point
4 categories:
1. ______________
2. ______________
3. ______________
4. ______________
______________________- combination of the surface shape and composition of the
landforms