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- 1. Multiple Choice
What is Earth's outer layer underneath the surface in the image?
sand and water
hard solid rock
sand
water
- 2. Multiple Choice
What happens when two plates move apart?
a new plate from underneath fills in the gap created by the plates moving apart
sand and dirt fill in the gap created by the plates moving apart
water fills in the gap created by the plates moving apart
soft, solid rock from underneath the plates rises up and hardens, adding solid rock to the edges of both plates.
- 3. Multiple Choice
If you took a cross section of a dragon fruit by cutting it vertically, what would the cross section look like?
- 4. Multiple Choice
The Lystrosaurus fossils can be found in India and South America, which are parts of different plates. This is a land animal that can not swim. What could explain how these fossils got so far apart?
The plates slowly moved apart as soft solid rock from underneath got added to the edges of the plates over millions of years.
The plates floated away from each other.
The plates slowly moved apart as new plates from underneath got added between them over millions of years.
The plates were sometimes pushed far apart by earthquakes and soft solid rock from underneath got added to the edges of the plates.
- 5. Multiple Choice
Where will geologists find hard, solid rock?
neither under continents or oceans, because there is sand and water under both.
neither under continents or oceans, because there is water under both places.
only under the continents, but not under the oceans.
under both continents and oceans, because Earth's outer layer is made of hard, solid rock.
- 6. Multiple Choice
What happens when two plates are moving toward each other?
The plates hit each other and break into pieces making sand.
One plate goes underneath the other plate into the soft rock below.
The plates push against each other, making the edges bend upward.
One plate goes underneath the other plate into the ocean below.
- 7. Multiple Choice
What patterns can you see on this map?
Earthquakes happen in similar places.
Earthquakes and volcanoes happen in similar places on plate boundaries.
Volcanoes happen in similar places.
Volcanoes and earthquakes happen in this order: volcano, earthquake, volcano, earthquake, and so on.
- 8. Multiple Choice
Which terms describe this plate boundary?
convergent
divergent
mid ocean ridge
trench
sinking
- 9. Multiple Choice
Which terms describe this plate boundary?
divergent
convergent
mid ocean ridge
trench
rising
- 10. Multiple Choice
The plates of the Earth moved
suddenly.
gradually.
- 11. Multiple Choice
What is true about the Earth's outer layer?
it is made of hard, solid rock
it is made of soft, solid rock
it is broken in plates
it is broken in mantle
it is moving at a slow rate
- 12. Multiple Choice
How often or how fast something happens is...
rate.
to analyze.
a relationship.
a claim.
- 13. Multiple Choice
Earth's plates are moving at an average rate of
10 cm per year
1 kilometer per year
3 kilometers per year
3 cm per year
- 14. Multiple Choice
What is the effect of plates moving?
volcanoes
earthquakes
tornadoes
both volcanoes and earthquakes
- 15. Multiple Choice
The Pacific Ocean used to be bigger and the distance between China and North/South American used to be farther away. What could explain this as these places are on different plates?
The plates floated toward each other making the ocean smaller.
The plates were pushed toward each other by earthquakes, and one plate went under the other plate into soft solid rock.
The plates moved toward each other and hit each other breaking into smaller pieces.
The plates moved slowly toward each other as one plate went under the other plate into soft, solid rock over millions of years.
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