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

The chemical formula for water

What is H2O?

100

Fundamental properties such as light level, pressure, and transmission of light and sound are different here

What is the ocean?
100

Salinity measures the total amount of __ dissolved in water

What is salt?

100

The carbon that forms the backbone of all organic molecules starts here

What is the atmosphere?

100

This layer is the deepest

What is the hadalpelagic zone?

200

Water molecules are _____ to each other

What is attracted?

200

Water is denser than ___

What is air?

200

As salinity increases, this increases

What is density?

200

The process by which the pH of the ocean is dropping

What is ocean acidification?

200

This zone gets the most sunlight

What is the epipelagic zone?

300

____ is the only substance that naturally occurs in all three states on earth

What is water?

300

This color light penetrates the deepest into the ocean

What is blue light?

300

The average salinity of the ocean is about __%

What is 35?

300

The average pH of the ocean is ____

What is 8.0-8.3?

300

This zone is from 1000m to 4000m deep

What is the bathypelagic zone?

400

Water is unique in that it is less ____ as a solid than a liquid.

What is dense?

400

In this channel, low frequency sound waves can travel uninterrupted for miles

What is the Deep Sound Channel?

400

River runoff, groundwater seeps, and hydrothermal activity are all ways that ___ can enter the ocean.

What are trace elements?

400

This makes up shells, skeletons, and other similar structures

What is calcium carbonate?

400

This is the largest environment on Earth

What is the abyssopelagic zone?

500

Surface tension is the measure of this

What is the elastic tendency of liquids?

500

With each __ meters of increased depth, another atmosphere of pressure is added.

What is 10?

500

Sinking white particles that provide nutrients for marine life

What is marine snow?

500

About this much CO2 enters oceans each year

What is 25%

500

The hadalpelagic zone is also known as the ___?

What are the Trenches?