Ocean Exploration (Grade 9)
Print Test
(Only the test content will print)
Name: | Date: |
---|
Ocean Exploration
1.
A diving bell is a cable-suspended airtight chamber, open at the bottom that is lowered underwater to operate as a base or a means of transport for a small number of divers.
- True
- False
2.
A bathysphere is a spherical deep-sea submersible that is unpowered and is lowered into the ocean on a cable.
- True
- False
3.
SCUBA, an acronym for "self-controlled underwater breathing apparatus," refers to divers using equipment supplied with breathing gas using an umbilical cord.
- True
- False
4.
The basic purpose of oceanographic research ships is to provide a working platform and mobile research station for scientists.
- True
- False
5.
A submersible is a watercraft capable of independent operation below the surface of the water.
- True
- False
6.
A floating observation station that automatically takes measurements and transmits the data to scientists is known as an oceanographic buoy.
- True
- False
7.
Autonomous underwater vehicles (AUVs), otherwise known as underwater drones, operate independently of direct human input and may stay submerged for hours or days at a time.
- True
- False
8.
This type of sampling allows the study of the sediment layers of the ocean.
- rock dredging
- dragging
- seafloor drilling
- scraping
9.
This remote sensing device's signal can penetrate through layers of rock and give a picture of the layering of the oceanic floor.
- echo sounder
- seismic profiler
- magnetometer
- microwave radar
10.
Maps made from readings were some of the first used to show the ocean floor's topography is as varied as the continental surface.
- radar
- ping
- satellite
- sonar
You need to be a HelpTeaching.com member to access free printables.
Already a member? Log in for access. | Go Back To Previous Page
Already a member? Log in for access. | Go Back To Previous Page