What is a cross-section?

A diagram showing the inside view

A simplified representation to help understanding

Which statement best describes what Earth’s outer layer is like underneath the surface in the image?

Underneath both the soil and the ocean, Earth’s outer layer is made of hard, solid rock.

Underneath both the soil and the ocean, Earth’s outer layer is made of sand and water.

Underneath the soil, Earth’s outer layer is made of hard, solid rock. Underneath the ocean, Earth’s outer layer is made of sand.

Underneath the soil, Earth’s outer layer is made of water.

Dr. Raisa and her team of geologists have been studying GPS data that shows that two plates moved apart. Which diagram shows what happened between the two plates as they moved away from each other?

Diagram D: Soft, solid rock from underneath the plates rose and hardened, adding solid rock to the edges of both plates

Diagram A: A new plate from underneath filled in the gap that was created by the plates moving apart

Diagram B: Sand and dirt filled in the gap that was created by the plates moving apart

Diagram C: Ocean water filled in the gap that was created by the plates moving apart

Fossil remains of Lystrosaurus (an extinct four-legged animal) have been discovered in India and South Africa. When they were living, all the Lystrosaurus lived together on land, and they could not swim. However, now there is an ocean between the Lystrosaurus fossils. What could explain how these fossils got so far apart?

India and South Africa are parts of different plates. The plates slowly moved far apart as soft, solid rock from underneath got added to the edges of the plates over millions of years.

India and South Africa are parts of different plates. The plates floated away from each other across the ocean.

India and South Africa are parts of different plates. The plates slowly moved apart as new plates from underneath got added between them over millions of years.

India and South Africa are parts of different plates. The plates were sometimes pushed far apart by earthquakes, and soft, solid rock from underneath got added to the edges of the plates.

A team of geologists wants to study hard, solid rock under the surface of Earth. The team is considering drilling down in Saudi Arabia (1) or in the Arabian Sea (2). Where will the geologists find hard, solid rock?

under 1 and 2, because Earth’s entire outer layer is made of hard, solid rock

neither under 1 nor 2, because there is sand and gravel under both places

neither under 1 nor 2, because there is water under both places

only under 1, because Earth’s outer layer is made of hard, solid rock under continents but not under the ocean

Dr. Patel and her team have been using GPS to track two plates that are moving toward each other. Which diagram shows what is happening at the place where the plates are moving toward each other?

Diagram C: One plate is going underneath the other plate and sinking into the soft rock below.

Diagram A: Two plates are hitting each other, and the plates are breaking into pieces, creating sand.

Diagram B: Two plates are pushing against each other, causing the edges to bend upward.

Diagram D: One plate is going underneath the other plate and sinking into the ocean below.

Similar rock formations have been discovered in Brazil and South Africa. These rock formations were formed at the same time and are made of the same types of rocks. What could explain how these rocks got so far apart?

Brazil and South Africa are parts of different plates. The plates slowly moved far apart as soft, solid rock from underneath got added to the edges of the plates over millions of years

Brazil and South Africa are parts of different plates. The plates were sometimes pushed far apart by earthquakes, and soft, solid rock from underneath got added to the edges of the plates.

Brazil and South Africa are parts of different plates. The plates floated away from each other across the ocean.

Brazil and South Africa are parts of different plates. The plates slowly moved apart as new plates from underneath got added between them over millions of years

Patterns on this map tell us that . . .

volcanic activity and earthquakes happened in similar areas.

volcanic activity and earthquakes can cause damage to buildings and hurt people.

volcanic activity and earthquakes happened in random locations all over the map.

volcanic activity and earthquakes happened in the following order: volcanic activity, earthquake, volcanic activity, earthquake, and so on.

Which statement best describes what Earth’s outer layer is like underneath the surface in the image?

Underneath both the soil and the ocean, Earth’s outer layer is made of hard, solid rock.

Underneath the soil, Earth’s outer layer is made of water.

Underneath the soil, Earth’s outer layer is made of hard, solid rock. Underneath the ocean, Earth’s outer layer is made of sand.

Underneath both the soil and the ocean, Earth’s outer layer is made of sand and water.

Dr. Bailey and his team are studying two plates that are far apart from each other. However, these two plates used to be next to each other. Which diagram shows what Dr. Bailey and his team would find between these plates?

Diagram A: Soft, solid rock from underneath the plates rose and hardened, adding solid rock to the edges of both plates.

Diagram B: A new plate from underneath filled in the gap that was created by the plates moving apart.

Diagram C: Sand and dirt filled in the gap that was created by the plates moving apart.

Diagram D: Ocean water filled in the gap that was created by the plates moving apart.

In the past, Africa used to be farther away from Europe than it is now (shown above). What could explain why Africa is closer to Europe now than it was before?

Africa and Europe are parts of different plates. The plates slowly moved toward each other as one plate went under the other plate into soft, solid rock over millions of years.

Africa and Europe are parts of different plates. The plates floated toward each other across the ocean.

Africa and Europe are parts of different plates. The plates were sometimes pushed toward each other by earthquakes, and one plate went under the other plate into soft, solid rock.

Africa and Europe are parts of different plates. The plates slowly moved toward each other over millions of years. When the plates hit each other, they broke into smaller pieces.

A team of engineers wants to study hard, solid rock under the surface of Earth. The team is considering drilling down in the Indian Ocean and in Sri Lanka. Where will the team find hard, solid rock?

under 1 and 2, because Earth’s entire outer layer is made of hard, solid rock

only under 2, because Earth’s outer layer is made of hard, solid rock underneath continents but not under the ocean

neither under 1 nor 2, because there is water underneath both places

neither under 1 nor 2, because there is sand and gravel underneath both places

A team of researchers has been using GPS data to track two plates that are moving toward each other. Which diagram shows what is happening at the place where the plates are moving toward each other?

Diagram B: One plate is going underneath the other plate and sinking into the soft rock below.

Diagram A: One plate is going underneath the other plate and sinking into the ocean below.

Diagram C: Two plates are hitting each other, and the plates are breaking into pieces, creating sand.

Diagram D: Two plates are pushing against each other, causing the edges to bend upward.

Fossil remains of Cynognathus (an extinct large-bodied animal) have been discovered in Argentina and South Africa. When they were living, all the Cynognathus lived together on land, and they could not swim. However, now there is an ocean between the Cynognathus fossils. What could explain how these fossils got so far apart?

Argentina and South Africa are parts of different plates. The plates slowly moved far apart as soft, solid rock from underneath got added to the edges of the plates over millions of years.

Argentina and South Africa are parts of different plates. The plates slowly moved apart as new plates from underneath got added between them over millions of years.

Argentina and South Africa are parts of different plates. The plates floated away from each other across the ocean.

Argentina and South Africa are parts of different plates. The plates were sometimes pushed far apart by earthquakes, and soft, solid rock from underneath got added to the edges of the plates.

Patterns on this map tell us that . . .

volcanic activity and earthquakes happened in similar areas.

volcanic activity and earthquakes happened in the following order: volcanic activity, earthquake, volcanic activity, earthquake, and so on.

volcanic activity and earthquakes happened in random locations all over the map.

volcanic activity and earthquakes can cause damage to buildings and hurt people.

Amplify Plate Motion Assessment with vocab

Quiz

•

Science

•

6th - 8th Grade

•

Practice Problem

•

Easy

•

NGSS

MS-ESS2-3, MS-ESS2-2, MS-ESS3-2

+4

Standards-aligned

Leyla Barrientos

Used 37+ times

FREE Resource

26 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a landform?

A diagram showing the inside of something

A feature that forms on Earth's surface like mountains or dunes

A place where two plates meet

A set of interacting parts forming a whole

Tags

NGSS.MS-ESS2-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which term describes things we observe happening repeatedly?

System

Model

Pattern

Cross-section

Tags

NGSS.MS-ESS1-1

NGSS.MS-LS4-1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a trench?

An underwater mountain range

A volcanic eruption

A place where plates meet

A deep indentation in the ocean floor

Tags

NGSS.MS-ESS2-3

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which term means "moving toward the same place"?

Divergent

Cross-section

Pattern

Convergent

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a plate boundary?

The place where two plates meet

A deep ocean indentation

An underwater mountain range

A volcanic eruption site

Tags

NGSS.MS-ESS2-3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which describes "moving apart in different directions"?

System

Divergent

Convergent

Pattern

Tags

NGSS.MS-ESS2-3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a mid-ocean ridge?

A computer simulation

A deep sea trench

An underwater mountain range formed by separating plates

A type of volcanic activity

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

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Amplify Plate Motion Assessment with vocab

26 questions

What is a landform?

Which term describes things we observe happening repeatedly?

What is a trench?

Which term means "moving toward the same place"?

What is a plate boundary?

Which describes "moving apart in different directions"?

What is a mid-ocean ridge?

What term describes eruptions and lava flows?

What is a cross-section?

What is a model?

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