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12 Cards in this Set
- Front
- Back
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What materials make up the inner core?
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solid core of iron and nickel
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What materials make up the outer core?
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Melted metal of iron mixed with nickel
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What materials make up the mantle?
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rock and magma
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What changes the earth's surface?
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Water, wind, and ice, faults, earthquakes, tsunamis
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What are the 3 layers of the earth made of?
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Core, mantle, and crust
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A ____________ is a flat, gently rolling landform
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plain
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Major landforms include ___________, hills, plateaus, and plains.
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mountains
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What is the difference between mountains and hills?
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Hills are lower and more rounded but are still higher than the country around them.
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Oceans, salt water, seas, gulfs, bays, straits, lakes, streams, rivers are examples of ________________
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Water Bodies
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Lakes, streams, and rivers are _____________ landforms
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freshwater
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99% of the atmosphere is made up of what two chemicals?
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nitrogen and oxygen
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True or False.
The atmosphere protects the earth so that all living things could survive. |
True
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