Show:
World Ocean
OCean Properties
Garbage Patch
Ocean Waves
Ice Cores
100
Study of earth's oceans
What is oceanography?
100
The amounts of dissoved salts in the ocean
What is salinity?
100

About how many tons of trash are in the great pacific garbage patch?

87,000 tons

+- 5,000

100
Regular changes in the level of the Earth's ocans
What are tides?
100

In what two countries do over 95% of our ice cores come from? 

-Antartica

-Greenland

200
Name three major oceans?
Atlantic, Pacific, Indian
200
The layer of ocean water in which the temperature drops suddenly
What is thermocline
200

Garbage put into the Pacific Ocean get caught in a _________  _________ to be transported to the great pacific garbage patch. 

Ocean gyre

200
A stream of water flowing in the oceans?
What is a current?
200

During our ice core activity, what two green house gases were mentioned during the evolution of earth's atmosphere? 

-CO2

- Methane

300
The largest of the word's oceans
What is the Pacifc?
300
Adding fresh water to salt water____________the salinity of water
What is lower
300

This plastic product takes 450+ years to biodegrade.

Plastic bottle

300
The highest point of a wave is a 
What is a crest?
300

What is the main difference between O18 and O16 when found in ice cores. 

- Evaporate at different temps. 

- O18 is a heavier form of O16. 

400
The smallest of the three major oceans
What is the Indian ocean?
400
Ocean water is warmest at the _________layer. 
What is the surface layer?
400
The great pacific garbage patch is about the size of what state?

Texas

400
The lowest point of a wave is
What is a trough?
400

Name one piece of evidence found in ice cores that DO NOT come from the air bubbles. 

-Diatoms

-Ice accumulation

-Volcanic Ash 

500
Oceanographers who study life in the ocean
What is a marine biologist?
500

Why does water not mix with oil? 

-Oil is hydrophobic

500

Explain how the Great pacific garbage patch is formed.

The Great Pacific Garbage Patch (GPGP) is formed by rotating ocean currents called gyres, which act like large whirlpools, concentrating marine debris in specific areas.

500
waves are caused by
What are winds blowing across the water?
500

To this day, ice cores give us information from _______ years ago. 

-2.7 million years ago(+- 200,000 years)