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19 Cards in this Set
- Front
- Back
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A globe is a model of what?
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Earth
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The surface of the earth is covered by what?
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water and land
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Large areas of water are called?
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Oceans
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What cover's most of the earth's surface?
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Water
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What are large land areas called?
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Continents
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Smaller areas in the middle of water are called?
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Islands
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How do scientists decide what is inside the earth?
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By what happens on the surface
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What is the hol molten rock called that comes out of a volcano?
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Lava
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What records the movement of the earth?
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Seismograph
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How do most scientist learn about the earth
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from earthquakes and volcano's
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What is an opening in the earth's surface that hot lava comes out of?
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Volcano
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What occurs when large area's of the earth's surgace move?
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An earthquake
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What are related to each other?
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Earthquakes and Volcanoes
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What three layers does the earth have?
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Crust, Mantle and Core
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Is the earth's crust thin or thick?
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Thin
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Is the earth's mantle thicker than the crust?
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True
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The mantle is made of what?
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Hot melted rock
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The core is most likely a ball of what?
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Solid iron
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What is the hottest part of the earth?
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Core
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