Vocabulary Moving Waters The Oceans Ocean Life Random

100

Trench
A very long and narrow canyon-like depression deep in the ocean floor

100

Current
A body of water moving very quickly in a definite direction through surrounding waters that are moving more slowly

100

Depth
How deep the ocean's waters are

100

Adaptation
What is it called when an animal has characteristics that help it survive in its habitat

100

Sea
Which is smaller: a sea or an ocean?

200

Salinity
How salty the water is

200

Gulf Stream
Large current system from Mexico to Florida and the east coast

200

70%
How much of the world's surface is covered up by oceans?

200

Tidal Zone
Mussels, crabs, clams, and other beach life live in this zone

200

True
True or false: The moon was much closer to the Earth three billion years ago when the oceans were forming.

300

Abyssal Plain
Very wide, very flat sections of the deep ocean floor, made of thick layers of sediment

300

Global Conveyor Belt
Cold, salty water sinks and warm shallow currents travel on top of it. This series of currents travel all over the world.

300

Continental Rise
Accumulated sediment underwater

300

Sunlight Zone
This zone stretches from the surface of the ocean down 200 meters

300

False
True or false: Mount Everest is taller than the Mariana Trench is deep.

400

Continental Shelf
The underwater edge of a continent

400

Yes. (Reasons vary.) Think of the rubber duck example.
Can an item spilled into the ocean end up on another continent? Explain why or why not.

400

Tides
The moon's gravity pulls on Earth's oceans to make these

400

Anglerfish
Name a creature that creates its own light

400

Density
The amount of mass packed into a contained space

500

Mid-Ocean Ridge
A chain of high elevation found underwater in places where the Earth is shifting

500

Warm Water
Which type of ocean water constantly moves toward the surface: warm or cold?

500

Trough
What is the bottom or low point of a wave called?

500

Abyssal Zone
The temperatures can reach zero degrees Celsius in this zone. It exists between 4,000 and 6,000 meters below the ocean's surface.

500

Trench
A very long, narrow canyon-like depression deep in the ocean floor

The Hydrosphere

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