Oceans and Seas 1
Oceans and Seas 2
Oceans and Seas 3
Oceans and Seas 4
Oceans and Seas 5
100

Another word for safe to drink.

potable

100

A gas you would find more abundant in lighted zones near the surface versus dark regions of the ocean.

oxygen

100

Sections of the oceans that are more or less surrounded by land.

seas

100

The percentage of earth's surface covered by oceans.

71%

100

The main chemical building block of all living things.

carbon

200

Does seawater have a higher or lower freezing point than fresh water?

lower

200

An ability found in some sea creatures which man has used as a model in developing sonar.

echolocation

200

A coral reef separated from the mainland by a lagoon.

What is barrier reef?

300

This forms when large waves first break and drop sand.

longshore sandbar

300

Where sound travels faster.

seawater

300

Submerged mountain ranges on the ocean floor at the spreading margins of oceanic tectonic plates.

mid-ocean ridges

300

A broad field that includes specialties such as marine biologists, marine engineers, marine chemists, and more.

oceanography

300

The most abundant salt found in ocean water.

sodium chloride

400

A submerged mount or hill rising from the sea floor.

seamount

400

A term for low salinity.

brackish

400

The ocean that covers the largest percentage of the earth's surface.

Pacific Ocean

400

The deepest measured depth of the ocean.

What is 11,000m or 36,000ft?

400

The amount of mineral salt 1000g of seawater contains.

What is 35g

500

The zone where marine snow is most important to the organisms living in it.

abyssal zone

500

What kind of organisms are clams, corals, and anemones because they live on the bottom of the ocean?

benthic organisms

500

The name of the zone where bioluminescence is the only form of natural light.

Aphotic zone

500

The shallow, submerged edge of a continent.

continental shelf

500

The zone that has the greatest variability of conditions.

intertidal zone

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