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18 questions
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- Q1Which statement best describes what Earth’s outer layer is like underneath the surface in the image?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 waterUnderneath 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.30s
- Q2Dr. 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 C: Ocean water filled in the gap that was created by the plates moving apart.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 apart30s
- Q3Fossil 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 apart as new plates from underneath got added between them over millions of yearsIndia 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 were sometimes pushed far apart by earthquakes, and soft, solid rock from underneath got added to the edges of the platesIndia and South Africa are parts of different plates. The plates floated away from each other across the ocean.30s
- Q4Scientists often study cross-sections to better understand what the inside of something looks like. If we took a cross-section of a potted plant by cutting it vertically, what would the cross-section look like?Diagram BDiagram CDiagram DDiagram A30s
- Q5A 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?neither under 1 nor 2, because there is water under both placesneither under 1 nor 2, because there is sand and gravel under both placesonly under 1, because Earth’s outer layer is made of hard, solid rock under continents but not under the oceanunder 1 and 2, because Earth’s entire outer layer is made of hard, solid rock30s
- Q6Dr. 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 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.Diagram A: Two plates are hitting each other, and the plates are breaking into pieces, creating sand.30s
- Q7Similar 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 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 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 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.30s
- Q8Patterns on this map tell us that . . .volcanic activity and earthquakes happened in random locations all over the map.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 can cause damage to buildings and hurt people.30s
- Q9Which 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 rockUnderneath the soil, the 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.30s
- Q10Dr. 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 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 apartDiagram D: Ocean water filled in the gap that was created by the plates moving apartDiagram A: Soft, solid rock from underneath the plates rose and hardened, adding solid rock to the edges of both plates.30s
- Q11In 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 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 piecesAfrica 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.30s
- Q12Scientists often study cross-sections to better understand what the inside of something looks like. If we took a cross-section of an apple by cutting it vertically, what would the cross-section look like?Diagram ADiagram DDiagram BDiagram C30s
- Q13A team of engineers wants to study hard, solid rock under the surface of Earth. The team is considering drilling down in the Indian Ocean (1) and in Sri Lanka (2). Where will the team find hard, solid rock?neither under 1 nor 2, because there is sand and gravel underneath both placesonly under 2, because Earth’s outer layer is made of hard, solid rock underneath continents but not under the oceanunder 1 and 2, because Earth’s entire outer layer is made of hard, solid rockneither under 1 nor 2, because there is water underneath both places30s
- Q14A 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 A: One plate is going underneath the other plate and sinking into the ocean below.Diagram B: One plate is going underneath the other plate and sinking into the soft rock 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.30s
- Q15Fossil 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 were sometimes pushed far apart by earthquakes, and soft, solid rock from underneath got added to the edges of the plates.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 slowly moved far apart as soft, solid rock from underneath got added to the edges of the plates over millions of years.30s