Term
| Which part of the Earth has 2 parts - a solid inner and a liquid outer? |
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Definition
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| The _______ is the layer of the Earth that forms the outer skin. |
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Definition
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| The uppermost part of this layer is very similar to the crust - |
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| The asthenosphere is the soft layer of which layer of Earth? |
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Definition
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Term
| The sun heating a rain puddle is an example of what type of heat transfer? |
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Definition
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| If you leave a spoon in a hot cup of coffee, the spoon gets hot. This type of heat transfer is called |
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Definition
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| Soup heats up and the heated soup moves around the pan. This is an example of |
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Definition
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| What causes convection currents? |
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Definition
| heating and cooling and changes in density |
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Term
| The __________ __________ theory states that all the continents had once been joined together in a single landmass and have since drifted apart. |
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Definition
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| Who formed the continental drift theory? |
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Definition
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Term
| Pangea is the name of the supercontinent. True or False |
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Definition
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Term
Which fossil was found in Africa, South America, Australia, India and
Antarctica? |
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Definition
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Term
| Why did scientists reject Wegener's theory? He did not have enough explanation of the: |
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Definition
| force behind the push and pull of the continents |
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Term
| The mid-ocean ridge is the largest chain of ______ in the world and is found underwater. |
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Definition
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Term
Subduction is the process when the ocean floor sinks beneath the _____
and back into the mantle |
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Definition
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Term
| Which scientist is behind the idea of plate tectonics? |
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Definition
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Term
| When 2 pieces of continental crust collide, ________ forms. |
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Definition
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When 2 pieces of oceanic crust collide, the _____ of each plate determines which subducts.
a. weight
b. density
c. mass |
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Definition
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Term
Earthquakes happen often near transform boundaries.
True or False |
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Definition
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Term
A divergent boundary forms:
a. rift valleys
b. trenches
c. mountains |
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Definition
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Term
| A ______ boundary is where 2 plates come together. |
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Definition
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Term
| A _____ boundary is where 2 plates move apart. |
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Definition
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Term
| A ____ boundary is where 2 plates slip last each other, moving in opposite directions. |
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Definition
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Term
The theory that explains the formation, movement, and subduction of Earth's plates is known as:
a. plate tectonics
b. continental drift
c. sea-floor spreadin |
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Definition
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Term
Hess is the scientist behind the idea of sea-floor spreading.
False or True |
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Definition
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Term
This takes place when the ocean floor sinks beneath the deep-ocean trench and back into the mantle.
a. sea-floor spreading
b. subduction
c. conversion |
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Definition
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Term
What age of rock lies closer to the ridge in the sea-floor spreading process?
new rock or old rock |
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Definition
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