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Plate Motion Unit 2 Review Flashcards | StudBud
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Plate Motion Unit 2 Review
Plate Motion Unit 2 Review
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Amplify Science Plate Motion unit review, for Greenwood Academy 7th Grade Science
Flashcards
12 cards
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Practice quiz
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Questions
12
Answers
1
How do we explain why
Mesosaurus
fossils are separated on different continents by an ocean?
The South American and African plates moved closer together
The South American and African plates had ocean flooding
The South American and African plates moved apart suddenly
The South American and African plates moved apart gradually
2
Which of the following is a valid piece of evidence for
continental drift
?
An ancient fern fossil was found on only one continent
Similar rock types were found on different continents
Central Africa and South America have the exact same climate
GPS measurements track plate motion to be 1 kilometer a year
3
At convergent plate boundaries...
Plates move towards each other, and trenches form
Plates slide along each other, and mountains form
Plates move towards each other, and mid-ocean ridges form
Plates move apart, and mid-ocean ridges form
4
Which of the following choices show
all
lines of evidence for
continental drift
?
same fossils and rock types, continents fit together
same plant fossils only
matching continent coastlines
same rocks from mountain ranges and parts of continents
5
Locations where earthworm fossils were found are on this map. Which statement is true?
Australia and Greenland were once connected to each other
India and North America used to be connected to each other
Australia and Africa used to be connected to each other
Europe and Australia were once connected to each other
6
What do both convergent and divergent plate boundaries have in common?
Large cracks and volcanic activity occur
Earthquakes and landslides occur
Earthquakes and volcanic activity occur
Trenches and landslides occur
7
Earth's plates can move because the mantle is made of
liquid metal
liquid rock (including magma)
hard, solid rock
soft, solid rock
8
Which of the following natural processes would take place over a
very long time
?
An avalanche occurs in the spring as ice melts
An earthquake destroyed several buildings in a city
A flash flood occurred after a sudden rainstorm
The continent of Antarctica moved south
9
At a
mid-ocean ridge...
soft, solid rock melts and becomes magma
hard, solid rock melts and destroys the plates
soft, solid rock cools and is added to plates
hard, solid rock hardens and is removed from plates
10
A plate is...
a large section of the Earth's outer layer
the soft, solid rock underneath the Earth's outer layer
a location at the center of the Earth
another word for continent
11
What can be formed at a convergent plate boundary?
Trenches
Mountains
Waterfalls
Mid-ocean ridges
12
The layer of hard, solid rock underneath the Earth's continents and oceans is called the
mantle
core
inner layer
outer layer
