Water You Talking About?
This percentage of Earth's surface is covered by water.
What is 71%?
This world ocean is the largest and deepest.
What is Pacific Ocean?
This feature is NOT found on the ocean floor:
a. Mountain
b. Volcano
c. RiverWhat is C (river)?
Sonar equipment measures this.
What is the depth of the ocean floor?
Seamounts are these that are submerged on the ocean floor.
What are volcanoes?
Scientists use satellites to measure this.
What is sea-surface height?
This is NOT one of the three main regions of the ocean floor.
a. continental rockWhat is A (continental rock)?
Trenches form at these sites.
What is where one plate descends beneath another?
Abyssal plains are very flat features that form when this happens.
What is turbidity currents deposit sediments on the ocean floor?
The deepest known place on Earth is this, located in the Pacific Ocean's Mariana Trench.
What is Challenger Deep?
This forms at mid-ocean ridges.
What is new ocean floor?
The three types of ocean floor sediments are classified according to this.
What is their origin?
These two major energy sources are obtained from the ocean floor.
What are oil and natural gas?
Earth is often called the "blue planet" because this covers much of its surface.
What is water?
The mid-ocean ridge is an interconnected system of underwater these.
What are mountains?
ROV stands for this.
What is Remotely Operated Vehicles?
The world ocean can be divided into this many main basins.
What is four?
The measure of ocean depth and the mapping of the topography of the ocean floor is called this.
What is bathymetry?
This ship made the first study of the global ocean in the 1870s.
What is the HMS Challenger?
Scientists can use this type of sonar to get a profile of a strip of ocean floor instead of simple sonar, which maps only a point on the ocean floor every few seconds.
What is multibeam?
List the world's main oceans, from largest to smallest.
What are Pacific, Atlantic, Indian and Arctic?
A small underwater craft used for deep-sea research is called this.
What is a submersible?
This is the gently sloping submerged surface extending from the shoreline.
What is the continental shelf?
Occasional movements of dense, sediment-rich water down the continental slope are called these type of currents.
What are turbidity?
The steep continental slope merges into a more gradual incline known as this.
What is the continental rise?
There is more volcanic and earthquake activity at the continental margins of the Pacific Ocean because the Pacific margin has these.
What are plate boundaries? (These are not found in the Atlantic ocean).