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THE OCEANS

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S: THE OCEANS

FC: THE OCEANS LIFE IN THE WATER

1: the oceans life in the water | ESCOLA ESPIGA 2009-2010

2: THE EaRTH'S OCEANS | The oceans contain 97% of the Earth's water. No other planet in our Solar System has liquid water. The oceans are an extraordinary web of life.

3: THE FIVE OCEANS | The oceans are all connected to one another. There are five oceans: The Pacific Ocean The Atlantic Ocean The Indian Ocean The Southern ocean The Artic Ocean

4: WHY ARE THE OCEANS SALTY | In rivers, water picks up mineral salts from the rocks and soil. This salty water flows in to the oceans and seas. The water in the oceans only leaves by evaporating. The salt remains dissolved in the ocean-it does not evaporate. So the sea water gets saltier and saltier.

5: WAVES | The wind causes waves on the surface of the ocean.The water in the waves doesn't move horizontally.It only moves up and down. Tsunamis are caused caused by volcanic eruptions underwater. | OCEANS IN MOTION

6: Tides are periodical rises and falls of ocean water. Tides are caused by the pull of the moon. Two tides occur every day. | TIDES

7: CURRENTS | The horizontal and vertical circulation of oceans waters are called currents. Currents are caused by: wind friction, gravity and variation in water density in different parts of the ocean.

8: LIFE IN THE OCEAN | Most of the life in the oceans develops in the euphotic zone. It's the layer of water bathed in sunlight. It extends around 200 meters. In this zone there is enough light for photosynthesis to take place.

9: OCEAN HABITATS | SHORELINES | CORAL REEFS | OPEN OCEANS | DEEP OCEANS

10: SHORELINES | Organisms living in the intertidal zone on a beach have adapted to the changing conditions. Without the cover of water many animals simply shut down.

12: ANIMALS THAT LIVE IN THE SHORELINES | Clam | Mussel | Scallop | Limpet | Crab

13: Conch | Oyster | Sea urchin | Sea star

14: Open ocean. Open oceans are marine deserts but the biggest fish and sea mammals live here.They travel long distances in search of food.

16: VOCABULARY | KILLER WHALE | SWORD FISH | WHALE | SHARK

17: TUNA FISH | HAKE | SALMON

18: Coral reefs are warm, clear, shallow ocean habitats that are rich in life. The reef structure is formed from coral polyps. When coral polyps die, they leave a hard branching structure made of limestone. The coral provides shelter for many animals. Coral reefs are the most colourful habitats in the ocean. | CORAL REEFS

20: animals that live in coral reefs | CLOWN FISH | OCTOPUS | ANEMONE | JELLYFISH | EEL

21: CORAL | SHRIMP | SEA TURTLE | SEA HORSE | ANGELFISH

23: DEEP OCEAN | The most important habitats in the ocean depths are hydrothermal vents. Tubeworms are the mostly spread animals in thermal vents. Tubeworms feed from bacteria from the vents.

24: animals that live in the deep ocean | CRAB | SPONGE | TRIPOD FISH | BRITTLE STAR | ANGLER FISH

25: TUBEWORM | SQUID | SQUID | HORSESHOE CRAB | SEA CUCUMBER

26: AUTHORS. 4TH LEVEL PUPILS ENGLISH TEACHER : MAITE RIBES COURSE YEAR:2009 - 2010

27: MEET THE AUTHORS

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  • By: Maite R.
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  • Title: THE OCEANS
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