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Open water review

Authored by Tonya Singleton

9th - 12th Grade

Used 32+ times

Open water review
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75 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary cause of waves?

Tides

Winds

Currents

Gravitational pull between the Earth and the sun

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Longshore currents always move in the same direction as the prevailing offshore currents

True

False

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following factors do we take into account when measuring waves?

Height

Length

Oscillation

1st and 3rd are correct

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Despite its apparent warmth, divers in tropical water still need to consider the need for thermal protection.

True

False

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Below what water temperature does you body require some form of thermal protection?

Depends on the diver

30°C/86°F

20°C/68°F

10°C/50°F

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

As you descend....

Colors appear to fade

Reds and oranges are among the first to disappear

At 30 meters (100 feet), things appear to be blue and gray

All of the above

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Objects under water appear:

Closer than on land

Farther away than on land

Larger than on land

1st and 3rd

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