Key Concepts
Types of landforms found underwater
What is "Mountains, volcanoes, plains, valleys, canyons, etc."?
Saltwater makes up approximately what amount of water on Earth?
What is “97%”?
In image 2, which letter identifies the continental shelf?
What is “letter F”?
The large, flat part of the ocean basin floor?
What is “abyssal plain” ?
Humans can only consume (drink) which type of Earth’s water?
What is “freshwater”?
Sources of saltwater
what is "Oceans, salt marshes, very few salt lakes "?
Two types of water on Earth; what’s the difference
What is “Freshwater & saltwater; freshwater does not contain salt”
In image 2, which letter identifies the continental slope?
What is “Letter A”?
A deep, underwater valley or canyon, found at the deepest parts of the ocean?
What is “ocean trench”?
The steep drop from the continental shelf to the ocean basin floor?
What is “the continental slope”?
The study of landforms on the ocean floor
What is “ocean topography”?
(1) What percent of Earth’s water is freshwater? (2) Why is 60% of that unavailable for man’s use?
(1) what is “3% of Earth’s water is freshwater”? (2) what is “it’s frozen”?
In image 2, which letter identifies the volcanic island?
What is “Letter E”?
The most shallow (least deep) part of the ocean that starts the continental margin?
What is “the continental shelf”?
Scientists use ______ to detect sound waves that measure the depth of the ocean for mapping.
What is “sonar”?
Sources of freshwater
what is "Rain, streams, rivers, lakes, glaciers, groundwater…"
Place the following in order from largest amount of water found on Earth to the smallest: rivers and lakes, glaciers and ice caps, groundwater, saltwater.
What is “saltwater, glaciers and ice caps, ground water, rivers and lakes”?
In image 2, which letter identifies an oceanic trench?
What is “Letter G”?
The difference between a seamount and volcanic island?
What is “seamount is an underground mountain (below the surface), a volcanic island has reached above sea level”?
The biggest threat to available water? Why?
Compare underwater landforms to landforms on land
what is "They can be taller, deeper, longer, wider. Overall underwater landforms are way bigger"?
What would be the best title for the image 1 based on the data shown: Water Conservation, Types of Freshwater, Earth’s Water Distribution, Lakes Glaciers & Oceans? Explain why.
What is "Earth’s Water Distribution. Answers may vary."
In image 2, which letter identifies the mid-ocean ridge?
What is “Letter H”?
A narrow trench in the center of the mid-ocean ridge
What is “rift zone”?
Explain desalination.
What is “removing salt from oceans”?