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- 1. Multiple Choice
what evidences do scientist use to support the continental drift theory?
rocks , fossils, air
rocks,water,ice
rocks,fossil, climate
rocks,fossils,human beings
- 2. Multiple Choice
the youngest the crust is found _____ the mid ocean ridge
far
near
beside
away
- 3. Multiple Choice
if you are a carthographer,what would you give an idea that the continents were once joined?
ocean depth
shape of the continents
position of the south pole
size of the Atlantic Ocean
- 4. Multiple Choice
what discovery provided strong support for continental drift theory
geology
fossil evidence
electromagnetism
paleomagnetism
- 5. Multiple Choice
which is NOT an evidence of seafloor spreading
molten magma constantly erupting
drilling samples of rock
fossil evidence
magnetic stripes
- 6. Multiple Choice
the magnet point north when magnetic field has _____
magnetic reversal
reversed polarity
mid ocean ridge
normal polarity
- 7. Multiple Choice
What do you call the process that forms and moves new oceanic crust?
magnetic reversal
seafloor spreading
convection
trenching
- 8. Multiple Choice
What do you call the supercontinent landmass formed million years ago?
Pangea
Panthalassa
Asia
Eurasia
- 9. Multiple Choice
He is a German Scientist who hypothesized in 1912 that continents were once a giant landmass called Pangaea.
Harry Hammond Hess
Robert Dietz
Alfred Lothar Wegener
Charles Darwin
- 10. Multiple Choice
Why were magnetic patterns found on the ocean floor puzzling?
They did not show alternating bands of normal and reversed polarity.
They showed alternating bands of normal and reversed polarity.
No rocks were magnetic.
All rocks were magnetic.
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