Deepest place video quiz

What is the deepest place on Earth and how deep is it? Select one: a. Challenger Deep, over 35,000 feet b. Peruvian Trench, over 39,000 feet c. Laurentian Deep,over 41,000 feet d. Valerus Maneris, over 41,000 feet e. Challenger Deep, over 31,000 feet

a. Challenger Deep, over 35,000 feet

Do the magnetic stripes on the ocean floor reveal the switching of the poles? Select one: a. Yes b. No

a. Yes

Does the type of rock play a role in the frequency and energy of earthquakes? Select one: a. Yes b. No c. We are not sure at this time

a. Yes

If yes, what is the advantage of having a weak rock like serpentine present? Select one: a. Having a weak rock makes large powerful earthquakes more frequent b. Having a weak rock makes large powerful earthquakes less frequent c. Having a weak rock makes tsunamis more frequent d. Having a weak rock makes tsunamis less frequent e. Not applicable as I answered no to question 9

b. Having a weak rock makes large powerful earthquakes less frequent

What is the relationship between the age of the subducted rock and the depth of the trench? Select one: a. a weak relationship between the age of the sea floor and depth in water b. a strong relationship between the age of the sea floor and depth in water c. a weak relationship between the age of the sea floor and a shallowing of the water d. a strong relationship between the age of the sea floor and a shallowing of the water

b. a strong relationship between the age of the sea floor and depth in water

How does sonar work? Select one: a. uses light beams to bounce off the ocean floor measuring features b. pumps sound waves into the water and the sound waves bounce off from solid ground and come back to the sonar, detecting the ocean floor features. c. pumps water to bounce off from solid ground and come back to the sonar, detecting the ocean floor features.

b. pumps sound waves into the water and the sound waves bounce off from solid ground and come back to the sonar, detecting the ocean floor features.

What was the first mission to map the ocean floor? Select one: a. H.M.S. Beagle b. H.M.S. Cook c. H.M.S. Challenger d. U.S.S. Constitution

c. H.M.S. Challenger

What happens when the magnetic pole switches? Select one: a. the north pole moves to the west b. the north pole moves to the east c. the north pole switches positions with the south pole d. the east pole switches positions with the west pole

c. the north pole switches positions with the south pole

What causes the plates to move? Select one: a. divergence b. sliding of plates along a vertical fault c. seafloor spreading d. a cold, heavy plate causing subducting into the mantle e. both A and C

d. a cold, heavy plate causing subducting into the mantle

What did they see before they landed? What does this prove? Select one: a. a cuttlefish, proved there was life could migrate down the trench b. a cuttlefish, proved there was life was native to the trench c. a flatfish, proved there was life could migrate down the trench d. a flatfish, proved there was life was native to the trench e. they found nothing

d. a flatfish, proved there was life was native to the trench

What is the Trieste? How thick were the walls? Select one: a. a pioneering submarine that could withstand pressure of 10,000 PSI with its 5 inch walls. b. a pioneering submarine that could withstand pressure of 10,000 PSI with its 3 inch walls. c. a pioneering submarine that could withstand pressure of 16,000 PSI with its 3 inch walls. d. a pioneering submarine that could withstand pressure of 16,000 PSI with its 5 inch walls.

d. a pioneering submarine that could withstand pressure of 16,000 PSI with its 5 inch walls.

What problems relate back to subduction? Select one: a. Earthquakes b. Tsunamis c. Landslides d. Hurricanes e. Both A and B

e. Both A and B