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Earth's Structure
vocabulary words for Earth's Structure
Question | Answer |
---|---|
sphere | a round 3-D object with all points being equal distance from the center |
granite | a light colored igneous rock that is found in continental crust |
basalt | a dark, dense igneous rock found in oceanic crust |
pressure | the force exerted on a surface divided by the area which the force is exerted |
inner core | a dense sphere of solid iron and nickel at the center of Earth |
outer core | a layer of molten iron and nickel that surrounds the inner core |
asthenosphere | a soft layer of the mantle on which the lithosphere floats |
lithosphere | a ridged layer made up of the uppermost part of the mantle and crust |
mantle | the layer of hot, solid material between Earth's crust and core |
core | made mostly of iron and nickel at the center of the Earth, it is broken down into two parts |
geosphere | Earth's entire solid body |
biosphere | all living organisms on Earth |
cryosphere | frozen water on Earth |
density | the amount of mass in a given space |
hydrosphere | liquid water on Earth |
atmosphere | layer of gases surrounding Earth |
gravity | is the force that every object exerts on all other objects because of their masses |
crust | brittle rocky outer layer of Earth |
magnetosphere | the outer part of the magnetic field that protects Earth from the sun's cosmic rays |
landform | are topographic features formed by the processes that shaped Earth's surface |
plain | landforms with low relief and low elevation |
plateau | landforms with low relief and high elevation |
mountain | landforms with high relief and elevation |
elevation | height above sea level |
relief | describes differences in elevation |