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26 Cards in this Set
- Front
- Back
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What is a natural feature on Earth's surface
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landform
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An area that is higher than the land around it
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mountain
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the shape of landforms in an area
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topography
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area with higher land around it, and stretch between mountains and between hills |
valley
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the bottom of a valley
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floor
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the side of a valley
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walls
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a valley with steep walls
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canyon
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List Earth's Layers from top to bottom
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crust mantle outer core inner core |
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Which layer of the earth is made of rock under the crust and is the thickest part?
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mantle
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which layer of the earth is made of liquid
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outer core
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the land that makes up the continents and the land under the ocean and is the thinnest layer of the earth.
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crust
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part of the earth layer that is solid because there is so much pressure on it. It is as hot as the sun
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inner core
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The mantle of the earth is not one solid piece; it consists of several large pieces called what?
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plates
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Explain what the plates do?
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They are like big pieces of a jigsaw puzzle and are constantly moving beneath the earths crust.
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The Earths crust contains many cracks. What are these cracks called?
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faults
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When moving plates beneath the stuck crust shake and vibrate is called what?
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Earthquake
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The place beneath the crust, in the mantle where the earthquake begins is called what?
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focus
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How are earthquakes measured?
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on a Richter scale
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The Richter scale classifies earthquakes according to their magnitude from |
1-10
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what is the place directly above the focus of an earthquake and it is located on the crust?
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epicenter
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Sometimes the magma deep in the Earth's mantle boils and erupts out of one of these vents what is this event called?
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volcano
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what is the molten rock that flows from a volcano called? |
lava
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what do we call a volcano that hasn't erupted in a long while?
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dormant
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what do we call a volcano that erupts on a pretty regular basis?
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active
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What do we call a volcano that will probably not erupt again?
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extinct
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