SDI Final Exam | {LATEST 2026/ 2027 UPDATE} COMPLETE
ACTUAL AND AUTHENTIC EXAM | BRAND NEW!
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Barron's 1C Vocab OS1 SWE EESA01 FINAL Ho
Teacher 25 terms Teacher 197 terms Teacher 202 terms Te
Nlechopwa Preview We_Julius Preview Tianqi_Wu18 Preview
Terms in this set (64)
Objects under water appear: Closer and larger than they do on land.
1: The same size as they do on land.
2: Twice as large as they do on land.
3: Closer and larger than they do on land.
4: Smaller and farther away than they do on land.
As you descend: All of the above.
1: Colors appear to fade.
2: Reds and oranges are among the first colors to
disappear.
3: At 30 m/99 ft, little color remains other than blues,
grays, blacks and whites.
4: All of the above.
Which of the following statements is true? There may Both the second and the third answer are correct.
be more than one correct answer.
1: Water is 400 times denser than air.
2: Water is 800 times denser than air.
3: Sound travels about four times faster underwater.
4: Both the second and the third answer are correct.
, Which of the following is/are true? Water conducts heat away from your body 25 times faster than air does.
1: Water conducts heat away from your body ten times
faster than air does.
2: Water conducts heat away from your body 25 times
faster than air does.
3: Fresh water conducts heat away from your body
faster than salt water does.
4: Salt water conducts heat away from your body faster
than fresh water does.
When water stratifies itself into layers, according to Thermocline.
temperature, the boundary between layers is known as
a(n):
1: Halocline.
2: Ichtyocline.
3: Thermodyne.
4: Thermocline.
Which of the following is/are true? All of the above.
1: Tides can make the water at a particular dive site
noticeably deeper or shallower than you may have
experienced previously.
2: Tidal currents can be very strong, making diving
difficult or even dangerous.
3: Strong tidal currents can have an adverse effect on
visibility.
4: All of the above.
The sun warming water near the equator, coupled with True.
the earth's rotation, is the primary cause of permanent
ocean currents.
1: True.
2: False.
Which of the following is/are true? If caught in a rip current, swim parallel to shore, until you are completely out of
1: If caught in a rip current, swim directly towards shore, the rip current, then swim in towards shore.
using the most powerful kick possible.
2: If caught in a rip current, swim perpendicular to
shore, until you are completely out of the rip current,
then swim in towards shore.
3: If caught in a rip current, swim parallel to shore, until
you are completely out of the rip current, then swim in
towards shore.
4: Don't fight the rip current; relax and let it carry you
closer to shore.
We measure waves by their height and weight. False.
1: True.
2: False. Explanation:
We measure waves by their height and length.
ACTUAL AND AUTHENTIC EXAM | BRAND NEW!
Leave the first rating
Save
Students also studied
Flashcard sets Study guides
Barron's 1C Vocab OS1 SWE EESA01 FINAL Ho
Teacher 25 terms Teacher 197 terms Teacher 202 terms Te
Nlechopwa Preview We_Julius Preview Tianqi_Wu18 Preview
Terms in this set (64)
Objects under water appear: Closer and larger than they do on land.
1: The same size as they do on land.
2: Twice as large as they do on land.
3: Closer and larger than they do on land.
4: Smaller and farther away than they do on land.
As you descend: All of the above.
1: Colors appear to fade.
2: Reds and oranges are among the first colors to
disappear.
3: At 30 m/99 ft, little color remains other than blues,
grays, blacks and whites.
4: All of the above.
Which of the following statements is true? There may Both the second and the third answer are correct.
be more than one correct answer.
1: Water is 400 times denser than air.
2: Water is 800 times denser than air.
3: Sound travels about four times faster underwater.
4: Both the second and the third answer are correct.
, Which of the following is/are true? Water conducts heat away from your body 25 times faster than air does.
1: Water conducts heat away from your body ten times
faster than air does.
2: Water conducts heat away from your body 25 times
faster than air does.
3: Fresh water conducts heat away from your body
faster than salt water does.
4: Salt water conducts heat away from your body faster
than fresh water does.
When water stratifies itself into layers, according to Thermocline.
temperature, the boundary between layers is known as
a(n):
1: Halocline.
2: Ichtyocline.
3: Thermodyne.
4: Thermocline.
Which of the following is/are true? All of the above.
1: Tides can make the water at a particular dive site
noticeably deeper or shallower than you may have
experienced previously.
2: Tidal currents can be very strong, making diving
difficult or even dangerous.
3: Strong tidal currents can have an adverse effect on
visibility.
4: All of the above.
The sun warming water near the equator, coupled with True.
the earth's rotation, is the primary cause of permanent
ocean currents.
1: True.
2: False.
Which of the following is/are true? If caught in a rip current, swim parallel to shore, until you are completely out of
1: If caught in a rip current, swim directly towards shore, the rip current, then swim in towards shore.
using the most powerful kick possible.
2: If caught in a rip current, swim perpendicular to
shore, until you are completely out of the rip current,
then swim in towards shore.
3: If caught in a rip current, swim parallel to shore, until
you are completely out of the rip current, then swim in
towards shore.
4: Don't fight the rip current; relax and let it carry you
closer to shore.
We measure waves by their height and weight. False.
1: True.
2: False. Explanation:
We measure waves by their height and length.
