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Definition
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Term
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Definition
| Earth's landscapes have been primarily shaped by catastrophies |
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Term
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Definition
| Age of one event compared to another. |
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Term
| Give an example of relative age |
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Definition
| ___Joey___ is older than _____Mikey_______ |
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Term
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Definition
| Specific age in days, years, etc |
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Definition
| Name of landmass when all the continents were once together |
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Term
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Definition
| He proposed the theory of continental drift |
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Term
| What proof did Wegener use to prove the continents were moving? |
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Definition
| 1. The shape of the continents (Africa and South America) 2. Fossil evidence 3. Rock clues (Mountains in North america, greenland, and Europe) |
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Term
[image]
What are the flashing white areas? |
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Definition
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Term
[image]
What type of Boundary is this? |
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Definition
| Convergent (Ocean - Continental) |
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Term
| Radioactive decay/Radiometric Dating |
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Definition
Certain atoms decay at specific rates ("cut themselves in half") and are used to determine the absolute age of objects.
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Term
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Definition
magnetic alignment of the ocean floor crust shows areas that match the pole reversals that have occurred. |
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Term
| Where are the youngest rocks in the Atlantic ocean found? |
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Definition
| Closest to the Mid-ocean ridge |
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Term
| The primary force that causes the seafloor to spread and continents to drift? |
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Definition
| Convection currents in the Mantle |
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Term
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Definition
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Term
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Definition
| More dense "plastic" like layer of the Mantle. |
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Term
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Definition
| Movement of Molecules in a circular motion caused by Warm molecules rising, then cooling off and sinking. |
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Term
| Type of rock that oceanic plates are made up of. |
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Definition
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Term
| Type of rock that continental plates are made up of. |
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Definition
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Term
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Definition
| Zones where a less dense plate overlaps a more dense plate |
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Term
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Definition
unusually hot plumes in the Earth’s mantle, far away from plate boundaries |
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Term
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Definition
| Depression or vent at the top of a Volcano |
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Term
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Definition
| Large volcanic crater up to 50 km in diameter |
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Term
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Definition
| Rock fragments that are thrown into the air during a volcanic eruption. |
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Term
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Definition
a volcanic mountain with broad gently sloping sides and a nearly circular base, non-explosive eruptions |
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Term
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Definition
Volcano with steep sides are small and less than 500m high, more explosive than shield volcanoes |
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Term
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Definition
Volcano with layers of alternating lava, with volcanic ash, very large, very explosive, very dangerous |
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Term
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Definition
| States that the layers on the bottom are older than the layers on top. |
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Term
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Definition
any event that disrupts layers of strata, must be younger than the layers it disturbs |
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Term
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Definition
| Remains of prehistoric life that are often found in sedimentary rock. |
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Term
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Definition
The change in populations as a result of an environmental change |
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Term
| Examples of Original preservation |
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Definition
| Preserved By: Mummification, tree sap (amber), Frozen in Ice and Tar pits |
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Term
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Definition
when minerals seep into bones and make them rock |
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Term
| Requirements to be an index fossil |
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Definition
-Abundant
- Spans a large geographic area
- Lived for a short period of time
- Easily recognized |
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Term
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Definition
| Tracks, Trails, borrows and other indirect evidence of past life. |
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Term
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Definition
| Type of Boundary where Plates are moving apart |
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Term
[image]
What is feature A? |
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Definition
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Term
[image]
What is Feature B called? |
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Definition
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Term
[image]
What is Feature C called? |
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Definition
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Term
[image]
What is Feature D called? |
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Definition
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Term
[image]
What is the name of the darker lines? |
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Definition
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Term
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Definition
| Lines on topograpic map that connect points of equal elevation. |
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Term
| Contour lines that are close together represent |
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Definition
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Term
| When Contour lines are spaced far apart they represent |
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Definition
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Term
[image]
What type of fold is this? |
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Definition
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Term
[image]
What type of fold is this? |
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Definition
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Term
[image]
What type of fold is this? |
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Definition
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Term
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Definition
| The largest period of time on the geologic time scale. |
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Term
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Definition
| Reference line for latitude |
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Term
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Definition
| The reference line for longitude. |
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Term
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Definition
| Measures distance from the Prime Meridian |
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Term
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Definition
| Measures distance from the equator. |
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