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Cards In This Set
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______________________ can help predict when volcanos may erupt since they can detect hot spots.
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Weather Satellites
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An unusual increase in heat at the surface can be a sign that ________________ is rising.
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Magma
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Satellites are useful in tracking volcanic _________________.
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Eruptions
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Timely warnings can allow authorities to _____________ people.
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Evacuate
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________________ can be described as how tightly packed something is.
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Density
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Earth is made up of materials with ___________________ densities.
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Different
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Dense materials such as _____________ and ________________ are located in the __________ of the earth.
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Iron, nickel, center
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On the earth's surface, materials tend to be more / less dense (choose correct choice).
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Less
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Earth's layers have different ____________________.
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Properties
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Energy moves slower / faster through LESS dense materials (chose correct choice).
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Slower
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Energy moves slower / faster through denser materials (choose correct choice).
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Faster
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The most dense part of the earth is located at the _______________, which is called the earth's ___________.
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Center, core
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Name the 4 main layers of the earth going from the center to the surface
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 Inner core, outer core, mantle, crust |
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The __________________ is a hot ball of solid materials under great pressure in the very center of the earth
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 Inner core |
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The _____________ is a layer of liquid metal just outside the inner core, it is under less / more pressure as compared to the inner core (choose best choice).
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Outer core, less |
