Under the Sea Unit 3 Today, were going to take a look at the world under the sea. So, are you ready? Now, we are on a snorkeling trip under the sea. Well come across a great variety of marine animals. Come on! Dolphins What are they? Turtle Look. Its coming towards us. Sea horse Whats this? Squid Sea star This looks beautiful! Jellyfish Coral Angel fish Different kinds of little fish Anemone fish Clown fish A shark is coming. Look out! Its dangerous. He noticed us. Wed better leave him alone before its too late. Bye, Mr Shark! We are safe now. And I caught a sea star near the shore. If you like, where can you go to see more about the ocean life? on a boat trip in books, on the Internet, in the Ocean Park, on TV etc. at an aquarium In groups, make a list of plants and animals that live under the sea that you and your classmates have seen in any of the ways listed above. Share what you know about these plants and animals. Whats happening in the pictures? A Killer Whale Whales are huge, intelligent sea mammals. They breathe air through blow-holes into lungs (unlike fish who breathe using gills). Whales have smooth, shiny, streamlined ( bodies that move easily through the water. What is a whale? There are two types of whales alive today: toothed whales ( ) and baleen whales ( ). Toothed whales have teeth and a single blowhole. They feed on eat fish and other sea mammals. Baleen whales are larger than toothed whales. They are filter feeders ( ) that use baleen to sieve ( ) food, and have two blowholes. Classification of whales Killer whales ( ) belong to toothed whales, who are the largest of the dolphins and king of the sea, biggest carnivore( ) of the sea, killing all kinds of animals in the sea, even the huge blue whale, like tigers on land, working in a team. Average lifespan: 50 to 80 years Size: 7 to 9.7 m Weight: up to 6 tons Killer whales Baleen whales are characterized by having baleen plates for filtering food from water, rather than having teeth. Baleen whales are generally larger than toothed whales, and females are larger than males. This group includes the largest known animal species, the Blue Whale. Baleen whales What do you think is happening in the picture? Read the introduction of the passage on page 19 and then fill in the chart below. Writer Vocation Style Time Place Main idea Clancy A whaler Anecdotes At the beginning of the 20 th century Southeastern coast of Australia The killer whales helped the whalers kill baleen whales Brief introduction of the passage Homework 1. Look up the new words and expressions of the reading in the dictionary. 2. Preview the reading: OLD TOM THE KILLER WHALE