Continental Drift (Grade 8)
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Continental Drift
1.
Wegener believed that the continents used to be one landmass.
- True
- False
2.
Wegener's theory of continental drift was not accepted immediately by other scientists because
- the fossil evidence was unreliable.
- Wegener could not describe how the continents separated.
- Wegener only had evidence from the southern continents.
- the rock sequences were incomplete.
3.
A lack of explanation for continental drift prevented many scientists from accepting that a single continent called once existed.
- Glomar
- Wegener
- Pangaea
- Glossopteris
4.
The presence of the same on different continents is evidence for continental drift.
- fossils
- wind systems
- river systems
- weather patterns
5.
Why did Wegener think that continental drift could be used to explain rock scarring in South America, India, and Australia?
- Volcanoes moved the seafloor
- Glaciers caused the scarring
- Earthquakes scarred rocks
- Hess proposed this theory
6.
Continental drift is the theory that continents drift
- quickly together.
- slowly together.
- slowly to their current positions.
- to form the new continent Pandora.
7.
Alfred Wegener hypothesized that Pangaea began to break apart about years ago.
- 180 million
- 135 million
- 65 million
- 25 million
8.
The theory of continental drift
- was based on the distribution of rock types, fossils and structures.
- was accepted by most geologist during Wegener's lifetime.
- was based on oceanic fossils and basalt.
- suggested that the original land forms were large islands.
9.
Which is evidence that the continents were once part of a single landmass?
- fossils
- coal found in cold climates
- similar rock formations on facing edges of continents
- all of these
10.
The fact that South America and Africa were once joined is for Pangaea.
- rock layer evidence
- fossil evidence
- puzzle piece evidence
- mineral deposit evidence
11.
Glossopteris and Mesosaurus would be examples of this type of Pangaea supportive evidence.
- rock layer record
- puzzle piece record
- fossil record
- mineral deposit record
12.
Which two continents were used as evidence for the continental puzzle?
- North America and Africa
- South America and Asia
- South America and North America
- South America and Africa
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