Term
Name the layers of the Earth from the outer to the inner: |
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Definition
crust, mantle, outer core, inner core |
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Term
Name the compostion of the Earth's crust: |
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Definition
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Term
Name the compostion of the Earth's mantle: |
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Definition
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Term
Name the compostion of the Earth's inner core: |
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Definition
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Term
Name the compostion of the Earth's outer core: |
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Definition
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Term
The crust and solid protion of the upper mantle move together and together they are called the __________________. |
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Definition
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Term
The flowing part only of the mantle is called the ________________________. |
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Definition
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Term
Heat from Earth's core causes ________________________ in the mantle. It's these currents that carry the lithoshpere above it, causing the plates to shift. |
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Definition
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Term
Alfred Wegener used observations of today's continents to develop his hypothesis of ___________________. |
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Definition
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Term
Name four pieces of evidence that continental drift has occured: |
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Definition
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long ago the continents were together
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the continents fit together like a puzzle
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same fossils oceans apart
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grooves from glaciers match
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Term
________________ is the process by tectonic plates separate and new oceanic crust forms as magma rises and cools and hardens in between. |
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Definition
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Term
Each piece of Earth's lithosphere is called a ______________. The place between these pieces is called a __________________. |
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Definition
tectonic plates / boundary |
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Term
An oceanic plate will always sink under a continental plate at a convergent boundary because the oceanic plate is more ___________ than the continental plate. |
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Definition
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Term
Mountains form at _______________ boundaries. |
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Definition
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Term
Waves of energy that travel through the Earth are called _____________________. |
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Definition
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Term
P waves stand for___________________. |
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Definition
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Term
P waves can travel through __________________. |
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Definition
solids, liquids, and gases |
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Term
P waves are faster or slower? |
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Definition
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Term
S waves stand for _________________. |
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Definition
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Term
S waves can travel through _______________________. |
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Definition
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Term
S waves are slower or faster? |
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Definition
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Term
Describe the difference between the focus and the epicenter of an earthquake. |
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Definition
The epicenter is on the earth and directly above an earthquakes starting point. A focus is in the earth where an earthquake begins. |
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Term
The ______________ is on the earth. |
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Definition
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Term
The _________________ is in the earth. |
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Definition
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Term
What is the name of the scale used to measure the strength of an earthquake? |
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Definition
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