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Estuaries and Oceans Quiz

Authored by Karen Romero

Science

8th Grade

Estuaries and Oceans Quiz
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20 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which best explains how nutrients, salt, sediment and pollutants get into estuaries and oceans?

From precipitation falling over the estuaries and oceans

From organisms living and dying in estuaries and oceans

From rivers and streams flowing into estuaries and oceans

From asteroids and comets impacting Earth at estuaries and oceans

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which accurately describes the relationship between nutrients and life-forms in an estuary?

As nutrients increase, the number of life-forms increases.

As nutrients decrease, the number of life-forms increases.

As nutrients increase, the number of life-forms stays the same.

As nutrients decrease, the number of life-forms stays the same.

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In which oceanic zone do clams and crabs survive by burrowing in the sand?

oceanic

intertidal

deep ocean

open ocean

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which contributes most in supporting life on the deep ocean floor?

cold water temperatures

extreme water pressure

hydrothermal vents

lack of predators

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which technology is most efficient in mapping large areas of the ocean floor?

sonar

robots

depth gauge

satellite imaging

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In which location would fishermen most likely catch a greater number of fish?

at the shoreline

in an upwelling

in the intertidal zone

on the deep-ocean floor

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which best describes the shallow water ocean zone?

The long water column protects small organisms from being eaten by large predators.

Cooler water temperatures cause a decrease in dissolved oxygen needed by organisms.

Sunlight penetration increases algae growth and provides food for a variety of organisms.

Hydrothermal vents provide heat and dissolved minerals needed by some organisms to survive.

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