
Ocean Mapping and Sonar Technology

Interactive Video
•
Geography
•
6th - 8th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What percentage of Earth's surface is covered by oceans?
50%
71%
60%
80%
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which ocean is the largest by size?
Atlantic Ocean
Indian Ocean
Pacific Ocean
Arctic Ocean
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which ocean is primarily located in the Southern Hemisphere?
Pacific Ocean
Indian Ocean
Arctic Ocean
Atlantic Ocean
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Before sonar, how was ocean depth traditionally measured?
Using a string with colored ribbons
Using a barometer
Using a telescope
Using a compass
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What discovery was made about the ocean floor using sonar after World War II?
It was completely flat
It had mountain ranges and canyons
It was made of ice
It was covered in coral reefs
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does sonar technology determine the depth of the ocean?
By using a compass
By measuring light reflection
By calculating the time it takes for sound waves to return
By measuring water temperature
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What advancement in sonar technology allows for a more detailed map of the ocean floor?
Laser sonar
Single ping sonar
Multi-ray beam sonar
Infrared sonar
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