Ocean Currents Explained

Ocean Currents Explained

Assessment

Interactive Video

Science

8th Grade

Easy

Created by

Rocquina Vaughan

Used 3+ times

FREE Resource

9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are most surface waves caused by?

Wind

Upwelling

Salt

Sunlight

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What causes the deep ocean currents?

Wind

Temperature, density, salinity differences

Ships

Hydrothermal Vents

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the green water represent?

Freshwater

Saltwater

Brackish Water

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the clear water represent?

saltwater

brackish water

freshwater

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does the saltwater go BELOW the freshwater?

It's more dense

It's less dense

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why does the freshwater flow above the saltwater?

It's more dense!

It's less dense!

7.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the name for the water that is a MIX of freshwater and saltwater?

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8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Brackish water has a density between that of freshwater and saltwater. Knowing that, where should the brackish water flow?

Above the freshwater

Between the freshwater and saltwater

Below the saltwater

9.

OPEN ENDED QUESTION

3 mins • 1 pt

In your own words, tell why 3 different types of water layer instead of mixing.

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