

Understanding Ocean Depth Measurement
Interactive Video
•
Science, Physics
•
7th - 10th Grade
•
Practice Problem
•
Hard
Aiden Montgomery
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the approximate depth of the deepest part of the ocean that humans have explored?
7.2 KM
12.3 KM
5.5 KM
10.9 KM
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of wave is used to measure ocean depth?
Infrasonic
Audiosonic
Light waves
Ultrasonic
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the frequency range of ultrasonic waves?
20 Hz to 20,000 Hz
Below 20 Hz
Above 20,000 Hz
10,000 Hz to 20,000 Hz
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are ultrasonic waves preferred over other types of waves for measuring ocean depth?
They can travel longer distances in water
They are less affected by water temperature
They are easier to detect
They are cheaper to produce
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What technology is used to measure ocean depth using ultrasonic waves?
Radar
Lidar
Sonar
Infrared
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to ultrasonic waves when they hit an object underwater?
They disappear
They reflect back
They change color
They get absorbed
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the depth of the ocean calculated using sonar technology?
By measuring the wave's amplitude
By measuring the wave's speed
By measuring the time it takes for the wave to return
By measuring the wave's frequency
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