Unique Nature of Pure Water
Physical Properties of Sea Water
Chemical Properties of Sea Water
Ocean Acidification/Carbon Cycle
Ocean Layers
100

The only substance that naturally occurs in all 3 states on Earth-solid, liquid, and gas.

What is water?

100

They shape life in the oceans.

What are the physical properties of seawater?

100

The total amount of salt dissolved in water.

What is salinity?

100

The process by which plants convert light energy, water, and carbon dioxide into glucose and oxygen.

What is photosynthesis?

100

There are about 5 main of these in the ocean.

What are the layers of the ocean?

200

The attraction of one water molecule to another.

What are hydrogen bonds?

200

It penetrates the deepest in the ocean out of all colors.

What is blue light?

200

A continuous shower of organic and inorganic material that falls from the upper ocean waters to the deep-sea floor.

What is ”marine snow?”

200

This is converted into organic compounds by photosynthesis (glucose.)

What is carbon dioxide?

200

Most commonly called the Sunlight Zone, it receives more light than the other layers, as well as more plants and animals. 

What is the epipelagic zone?

300

There are two atoms of hydrogen and one atom of oxygen chemically bonded together.

What are water molecules?

300

A naturally-occurring ocean “channel” that allows sound to carry great distances.

What is SOFAR?

300

It is about 35%

What is the average salinity of the ocean?

300

The pH of the ocean drops and the ocean becomes less alkaline.

What is acidification?

300

The deepest and most unknown layer in the ocean.

What is the hadal zone?

400

The measure of the elastic tendency of liquids.

What is surface tension?

400

It is used to measure water clarity.

What is the secchi disk?

400

The result of the addition or removal of pure water.

What are variations to ocean salinity?

400

A chemical reaction between a fuel and an oxidant that produces heat, light, and chemical byproducts.

What is combustion?

400

It is extremely dark and temperatures are very cold. It the the largest environment on Earth. 

What is the abyssopelagic zone?

500

The amount of energy, or heat, it takes to raise the temperature of 1 gram of water 1 degree Celsius (1.8 degrees Fahrenheit.)

What is a calorie?

500

They are used for communication, navigation, reproduction, and predator and prey detection.

What are the uses of sound for marine animals?

500

It depends on the temperature and salinity.

What is the density of seawater?

500

It is 8.0-8.3.

What is the average pH of the ocean?

500

This is about 1000m-4000m.

What is the bathypelagic zone?

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