SOL 4.7 Oceans Unit Test

1. Which section represents the abyssal plain?

• Section 3
• Section 5
• Section 2
• Section 1

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NGSS.MS-ESS2-1

2. Which number represents an ocean trench?

• 6
• 10
• 9
• 2

3. As water flows along the continental shelf and continental slope, it picks up and carries sediments. These are deposited below the slope and form the —

• abyssal plain
• deep-sea trench
• continental rise
• ocean mountains

4.Underwater mountains or volcanos are called —

• seamounts
• trenches
• abyssal plain
• shelf breaks

5. If all the water in the ocean were removed, what would the land below it look like?

• Mostly small hills and grasslands
• Mostly mountains and valleys
• Similar to land on the continents
• Mostly flat like a desert

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NGSS.MS-ESS2-2

6. The amount of salt found in water describes the water's —

• cleanliness
• brackishness
• salinity
• freshness

7. It was a girl's first time swimming in the ocean. She opened her eyes underwater and suddenly realized they were burning. Her mom said, "It is because of the ocean's salinity. Keep your eyes shut." What did her mother mean when she said this?

• The ocean has lots of sand.
• The ocean has many powerful waves.
• The ocean is made of salt water.
• The ocean has a strong current

8. When water evaporates from the surface of the ocean —

• the water is polluted
• salt is left behind
• salt evaporates into the air
• fresh water is left behind

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NGSS.MS-ESS2-4

9. Which 2 statements are true about the ocean?

• The Gulf Stream travels mainly on the bottom of the ocean floor.
• The depth of the ocean floor varies.
• The temperature of the ocean water is different depending on location.
• The salinity of the ocean water is the same everywhere.

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NGSS.MS-ESS2-6

10. Which of the following does NOT affect the salinity of the ocean.

• melting iceburgs
• rate of evaporation
• the wind
• runoff from nearby land