Ocean Chemistry
Ocean Chemistry 2
Ocean Chemistry 3
Ocean Basins and Structures
Ocean Acidification
100

Water is made up of 2 _____ atoms and 1 _____ atom.

Hydrogen, Oxygen

100

This type of bond holds different water molecules together

Hydrogen bonds

100

Which color light travels the furthest in water?

Blue light

100

What is the dominant feature on the Earth in terms of total area?

The world ocean

100

What molecule directly causes the increase in ocean acidification?

Carbon dioxide

200

This type of bond holds a water molecule together.

Covalent bond

200

Rainfall ___________ salinity of the ocean.

Decreases

200

As depth increases, pressure ___________.

Increases

200

Which ocean basin is missing from the list: Pacific, Atlantic, Southern, _________, and Arctic.

Indian

200

How much of the CO2 we emit, dissolves into the ocean each year?

30%

300

True or False: Water is the only substance on Earth existing at liquid, gas, and solid forms.

True

300

This type of water is a mix of fresh and saltwater and occurs along coastlines.

Brackish

300

Which color light does not travel very far in the water?

Red light

300

Which continental margin is the most landward & is rich in biodiversity?

Continental shelf

300
Ocean acidification is the ________ (increase/decrease) of the pH of the ocean.

decrease

400

Salty water is _______ dense than freshwater.

More

400

Which two nutrients are most abundant in ocean water?

Chloride and Sodium

400

Name two freshwater outputs (increase salinity).

Evaporation and Ice formation

400
The general term for a submarine mountain of volcanic or tectonic origin

Seamount

400

What are seashells made of?

Calcium carbonate

500

The average salinity of the ocean is...

35 ppt

500

Sound travels how much faster in the ocean than in the air?

4.5x faster

500

If I have a beaker of saltwater composed of 1000mL of water and 70g of salt, what is the salinity?

65.42 ppt

500

This continental margin is much steeper than the others and is considered the "edge" of the continent.

Continental slope

500

_________ ions decrease while ___________ ions increase, causing shells to dissolve in the ocean.

Carbonate, Bicarbonate