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- 1. Multiple Choice
In the Atlantic ocean, where is the youngest seafloor located?Towards the edges, near the eastern and western continentsTowards the middle of the oceanTowards the north and south polesYoung seafloor is located randomly throughout the ocean - 2. Multiple ChoiceTrue or False: The continents on the eastern (the Americas) and western (Europe, Africa) side of the Atlantic Ocean are moving closer together.TrueFalse
- 3. Multiple Choice
a process by which new oceanic crust forms continuously along mid-ocean ridges and gets destroyed at ocean trenches.
mid ocean ridge
trench
sea spreading
drift
- 4. Multiple Choice
As lava cools & crystalizes, it forms new oceanic crust.
T
F
- 5. Multiple Choice
As the seafloor continues to spread apart the oceanic crust moves away from the mid-ocean ridge and sinks at -------------
Mid ocean ridge
ocean trench
continental shelves
continents
- 6. Multiple Choice
The following statements describe the process of sea floor spreading,
but they are not arranged in order.
A. Molten rock flows onto the seafloor and hardens
as it cools.
B. Hot, molten rock is forced upward toward the
seafloor at a mid-ocean ridge.
C. New seafloor moves away from the ridge, cools, becomes denser, and sinks.
D. Molten rock pushes sideways in both directions as it rises, moving the mantle with
it.
Choose the correct arrangement of the previous statements describing the
process of seafloor spreading.
D,B,C,A
D,C.B,A
B,D,A,C
B,A,D,C
- 7. Multiple Choice
True or False. The mantle is the outside layer of the earth
true
false
- 8. Multiple Choice
the oldest rocks are
red in color
green in color
purple in color
- Answer choicesTagsAnswer choicesTags