Unit 2.1- OceansIntroduction and Island

Formations

Homeroom Bell Work October 6

•What was your favorite part from outdoor ed?

•What did you learn at outdoor ed that you can use throughout the year?

Bell Work October 6

Agenda:1.Turn in Extra Credit and Test Corrections2.Planner: Observation Questions

1. Need shoe box and newspapers

3.Notes4.World Map5.Demo6.Start Homework

Bell Work:

•Make a list of everything you know about oceans (not ocean life, we’ll get to that later)

Key Vocabulary

• Continent: One of seven great landmasses on Earth

• Hemisphere: a region of the Earth either north or south of the

equator

The 5 Major Ocean

1. Pacific: • the largest ocean in the world, covering about 1/3 of the earth’s surface• It contains more than ½ of Earth’s saltwater (almost as much as Atlantic and Indian

Combined)• Ave. Depth: 13,215ft (deepest ocean)

2. Atlantic: • 2nd largest, covers almost 1/5th of earth’s surface• Ave. Depth: 12,880ft • 90% of fish caught for food is from the Atlantic

3. Indian:• 3rd largest ocean• Ave. Depth: 13,002 ft (deepest pt at 24,441ft)

The 5 Major Ocean

4. Arctic: • Smallest and shallowest Ocean• Ave. Depth of 3,953ft (max depth = 17,880ft)• Only ocean surrounded almost completely by land

5. Southern:• Recognized as the 5th ocean in 2000• Ocean bordering Antarctica (at 60 degrees S latitude)• 4th largest ocean

How much of Earth is Covered in Water?

• Basketball Demonstration

• Graduated Cylinder Demonstration

Water on Earth

• Earth is 71% Water

• How much of this is fresh water?

• How much of that fresh water is available for us to use?

• Gallon Demo

Fresh Water on Earth• Earth is covered in 71% water

• This includes frozen water, ground water, water in the atmosphere, water in the biosphere (plants, animals, etc), lakes, rivers, etc.

• Only 3% of water on Earth is fresh water• This includes water in lakes, rivers, ground water, etc

• Of that 3% of water, only an extremely small portion is available for us to use

Bell Work October 7

Agenda:1.Turn in Ocean Observations Homework2.Planner: Think about Presentation Structure

1. Need shoe box and newspapers

3.Notes4.Research

Bell Work:

•Which ocean is the largest?

•How much of the world’s water supply is accessible fresh water?

Vocab/Facts

• Island: any comparatively small body of land completely surrounded by water• Australia is the smallest island continent in the world• Greenland is the world’s largest island• Great Britain, Japan, and Australia are island nations• Hawaii is an island state of the United States

Three Ways to Make an Island

• Rising Sea Level

• Coral

• Volcanism

Island Presentation

• With your group, research one of the following islands:• The Galapagos Islands• Inaccessible Island• Long Island• Madagascar• Surtsey

• With your group, fill out the “Island Investigation” Worksheet.• Must use full sentences and be extremely detailed

• Prepare a presentation of your island for Thursday