Earth Science Guided Questions 5.2
Answer Key
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
How did scientists determine the location and size of underwater mountain chains?
What are these underwater mountain chains called?
What evidence supports the theory of sea-floor spreading?
Why does oceanic crust get older farther away from a mid-ocean ridge?
How does sea-floor spreading help support the idea that continents drift?
Why do the magnetic properties of the stripes on the ocean floor change?
Where is the youngest ocean crust?
Where is the oldest ocean crust?
What is the relationship between distance from the ridge and age of the crust?
What happens at deep ocean trench?
Why does the crust sink at a trench?
By what process does this sinking occur?
How is the ocean floor like a giant conveyor belt?
Earth Science Guided Questions 5.2
Answer Key
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
How did scientists determine the location and size of underwater mountain chains?
What are these underwater mountain chains called?
What evidence supports the theory of sea-floor spreading?
Why does oceanic crust get older farther away from a mid-ocean ridge?
How does sea-floor spreading help support the idea that continents drift?
Why do the magnetic properties of the stripes on the ocean floor change?
Where is the youngest ocean crust?
Where is the oldest ocean crust?
What is the relationship between distance from the ridge and age of the crust?
What happens at deep ocean trench?
Why does the crust sink at a trench?
By what process does this sinking occur?
How is the ocean floor like a giant conveyor belt?
Earth Science Guided Questions 5.2
Answer Key
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
How did scientists determine the location and size of underwater mountain chains?
What are these underwater mountain chains called?
What evidence supports the theory of sea-floor spreading?
Why does oceanic crust get older farther away from a mid-ocean ridge?
How does sea-floor spreading help support the idea that continents drift?
Why do the magnetic properties of the stripes on the ocean floor change?
Where is the youngest ocean crust?
Where is the oldest ocean crust?
What is the relationship between distance from the ridge and age of the crust?
What happens at deep ocean trench?
Why does the crust sink at a trench?
By what process does this sinking occur?
How is the ocean floor like a giant conveyor belt?