This video covers the major concepts of Unit 2, there will be questions throughout the videos that you will need to answer to continue. These are not graded and are meant for self assessment, to help you gauge how well you are understanding the concepts. If you feel like you need more help with these concepts, let me know and we can schedule time for us to meet and go over them.
This video covers the major concepts of Unit 2, there will be questions throughout the videos that you will need to answer to continue. These are not graded and are meant for self assessment, to help you gauge how well you are understanding the concepts. If you feel like you need more help with these concepts, let me know and we can schedule time for us to meet and go over them.
Question 1
00:53
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Question 2
02:09
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Question 3
03:48
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Questions 4 & 5
05:02
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Question 6
06:15
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Question 7, Question 8, Text
06:51
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Question 1
1.
What is the name Wegner gave the super continent?
Question 2
2.
Question 3
3.
Question 4
4.
Can you predict what will happen at a divergent zones?
Question 5
5.
Question 6
6.
Question 7
7.
Question 8
8.
Hot spots occur where really hot magma is near the surface, these spots do not move, but the plates move over them forming chains of volcanic eruptions. One example of this is the Island chain of Hawaii. The smaller islands are from older eruptions and have warn down thorugh erosiion and weathering and the bigger island is the youngest and currently volcanically active.
Does the seafloor get older or younger as you move away from the mid atlantic ridge?
Younger
Older
What is the name of the process that occurs in the mantal that causes plates to move?
Plate tectonics
Convection currects
Volcanism
Plate interactions
What geologic feature is common at a oceanic-continental convergent zone, when one palte subducts under another?
Fault lines
Non volcanic mountains
Volcanic mountains
Rifts
When two continental plates converge.....
One subducts and they create volcanoes
They collide and create a mountain range
They slowly spread apart and new crust is formed
One thing this video did not cover are hotspots. Where do hotspots occur?
Convergent zones
Plate boundaries
Rift valleys
In the middle of plates
Do hotspots move?
Yes, hotspots move, casusing island chains
No hotspots do not move, the plates move over the hotspot, creating island chains