Unique nature of pure water
Physical Properties of sea water
Chemical properties of sea water
Ocean acidification
Carbon Cycle
100

What is temperature measured by?

Thermometers

100

What shapes the life in oceans?

Physical properties of sea water
100

What is one chemical property of the ocean?

Salinity

100

The PH of the ocean dropping and the ocean becoming less alkaline is called what?

Ocean Acidification

100

Where does carbon form the backbone of all organic molecules?

Atmosphere

200

How many atoms bonded chemically make a molecule?

2 or more

200

What is relatively transparent?

Water

200

What accounts for about 85 percent of the ions.

Sodium and chloride.

200

What ions are needed by organisms to build and maintain structures?

Carbonate Ions.

200

What is carbon dioxide converted into organic compounds by?

Photosynthesis.

300

What is heat measured in?

Calories/joules

300

What color light penetrates the least?

Red

300

Which ions come from rivers?

Sodium, Potassium, and Magnesium

300

CO2 entering the ocean reduces what?

Carbonate

300

What affects the chemistry of the ocean?

Rising CO2 levels.

400

The total of kinetic energy of all the particles in a substance is? 

Heat

400

What color light penetrates the deepest?

Blue

400

What is the average salinity of the ocean?

35 ppt.

400

What can greater CO2 concentrations do?

Alter the behavior of organisms.

400

What is the average PH of the ocean?

8.3 

500

What is the percentage of salt and water?

99.5 percent

500

What is used to measure water clarity.

Secchi disk

500

What happens when the water is more dense?

The salinity increases.

500

The organisms at risk of ocean acidification are what? 

Those with shells, skeletons.

500

What percent of CO2 is admitted into the atmosphere each year in the ocean?

30 percent