Dynamic Earth Question Preview (ID: 46787)
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What did scientists find on several different continents that helped to support the idea that continents had drifted?
a) people
b) rocks
c) fossils
d) both 2 and 3
Scientists rejected Wegener’s theory of continenetal drift originally because____
a) They thought he was crazy
b) They thought he was making it all up.
c) He could not explain any force strong enough to move large continents.
d) He could not show them evidence of fossils
How long ago did Wegener think that the large supercontinent existed?
a) 500 million years ago
b) 400 thousand years ago
c) 200 thousand years ago
d) 250 million years ago.
Wegener called his large super continent, that all continents were combined _______
a) Glossopteris
b) Mesosaurus
c) Gondwanaland
d) Pangea
Scientists have matched up ___________which helps support the theory of continental drift.
a) Rock structures
b) Climates
c) Rainfall evidence
d) People
A fossil of a plant called _____ was found on two continents which helped support Wegener’s theory of continental drift.
a) Mesosaurus
b) Philodendron
c) Rubber tree plant
d) Glossopteris
Continental drift is the theory that continents have moved ______ over time and continue to move.
a) Up and down
b) Back and forth
c) horizontally
d) very slowly
The act of Rock breaking down is called___________
a) Breakage
b) Erosion
c) Weathering
d) Deposition
Where can volcanoes form?
a) Over hotspots
b) At convergent plates
c) At divergent plates
d) All of the above
True/False? Ocean trenches are formed at the plate boundary where two plates converge under water
a) True
b) False
c)
d)
True/False? Mid ocean ridges are formed at the plate boundary where two plates diverge under water.
a) True
b) False
c)
d)
What is a mid-ocean ridge?
a) A deep canyon in the middle of the ocean
b) A small set of hills in the desert
c) Small canyon in the middle of the ocean
d) A vast under water mountain chain
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