Unit 3
[00:03.08]Amazing Animals.
[00:06.71]Pets in north AmericaHow many people in Canada and the U.S. have pets?
[00:14.65]More than half!Jenny:What does"more than half"mean?
[00:21.42]You know what"half" means."More than half" is bigger than half.
[00:29.36]You can look up"more" in the dictionaryat the end of your Student Book.
[00:36.44]What kinds of animals do people keep as pets?
[00:41.59]dogs
[00:44.25]cats
[00:46.89]birds
[00:49.45]fish
[00:52.09]rodents
[00:54.94]rabbits
[00:57.70]reptiles
[01:00.55]In North America,
[01:03.82]dogs and cats are the most popular pets.
[01:08.86]There are more cats than dogs,but more people have dogs than cats.Why?
[01:16.80]Because many people have more than one cat.
[01:21.66]There are about fifty-nine million pet cats in North America,
[01:27.72]and about fifty-three million pet dogs.Many people have pet birds.
[01:35.79]Some people teach their pet birds to talk.
[01:40.44]Budgies and parrots are good at learning to talk.
[01:45.72]Mice and hamsters are rodents.So are guinea pigs.
[01:52.67]Rodents like to chew things.Keep these petsin cages!
[01:59.20]What kinds of reptiles do people have for pets?Some people have snakes.
[02:06.85]Some people have lizards.Some people have turtles.
[02:13.02]What do you need to do to look after a pet?
[02:17.48]Feed your pet.Give it water.Keep its house clean.
[02:24.54]Play with your pet.It needs exercise.
[02:29.50]Remember to take your dog for a walk.Give your pet lots of love.
[02:36.73]Doctors think that pets help to keep people happy and healthy.
[02:42.66]People with pets live longer!Protecting AnimalsMany pet dogs wear a collar.
[02:54.45]People put a leash on the collar to take dogs for a walk.
[03:00.79]Usually the collar has a tag,too.The tag shows the dog's name and address.
[03:09.13]The tag helps people find their dog if it gets lost.
[03:15.00]Sometimes scientists put collars on wild animals,
[03:21.06]but these collars are different from pet collars.
[03:26.03]These collars send a radio signalto tell scientists where the animals are.
[03:34.80]This is one way for scientists to learn more about different kinds of animals.
[03:42.25]Sometimes scientists and zoos work together.
[03:47.71]They work together to keep animals safe in the wild.
[03:53.27]Zoos and scientists are helping to make nature parks.
[03:59.15]What is a nature park?A nature park is a big place in the wild.
[04:06.31]It is there to protect animals.
[04:10.36]All kinds of animals live there.
[04:14.80]Scientists go to nature parks to learn about animals.
[04:20.65]People can't build houses or hurt animals in a nature park.
[04:27.10]The world's biggest nature park is in Greenland.
[04:32.27]The second biggest nature park is the Chang Tang Reserve in Tibet.
[04:38.62]Greenland is northeast of Canada.
[04:43.30]Tibet is in western China.
[04:47.56]FASCINATING FACT
[04:50.80]The giraffe is the world's largest animal.
[04:55.86]The giraffe's neck is 3.5 metres long. How is a giraffe like a person?
[05:04.01]A giraffe has the same number of neck bones as you do.
[05:09.47]People and giraffes both have seven neck bones.
[05:15.25]The Best ZoosThere are about 1100 zoos in the world today.
[05:23.68]More than 5500 different kinds of birds and animals live in zoos.
[05:31.13]More than 800 million people visit zoos every year.
[05:36.90]Danny:That's a lot of people!
[05:40.56]I hope zoos help teach all those people about animals!
[05:46.31]Jenny:Me,too,Danny! When we know about animals,we can protect them.
[05:53.46]Brian:Have you visited a zoo?
[05:56.94]Was it a good zoo?Ask yourself these question.
[06:02.68]Did you learn anything from your visit to the zoo?
[06:08.14]The best zoos teach people about animals.
[06:13.60]Scientists learn at these zoos,too.Were the cages clean?
[06:20.47]Did the animals look clean and healthy?Good zoos look after their animals.
[06:27.92]Were the cages big?Zoo animals are not pets.They need lots of space.
[06:36.38]They need to run around and play.
[06:41.06]Did the animals have somewhere to hide?Animals like to have open space.
[06:48.82]But sometimes they like to hide.
[06:53.54]Sometimes animals want to go away from people.
[06:58.98]Was there more than one of each kind of animal?
[07:04.02]Most animals like to be with other animals of the same kind.
[07:10.08]They like to have friends.They want to have families.
[07:15.54]If there is only one of each kind of animal,they can't have babies.
[07:22.38]Is the zoo helping to protect animals in the wild?
[07:28.76]The best zoos are working to keep all animals safe and healthy.
[07:35.31]FASCINATING FACT
[07:38.76]What is the biggest snake?The python is the longest snake.
[07:45.53]It grows more than six metres long.Pythons live in Asia.
[07:52.16]They anaconda is the heaviest snake.
[07:56.71]One anaconda weighs as much as two pythons.Anacondas live in South America.
[08:05.67]FASCINATING FACT
[08:08.91]How loud can a lion roar?Very loud!
[08:14.58]You can hear a lion roar from nine kilometres away.
[08:20.64]The Grizzly BearStanding on hind legs Stretching to the sky
[08:28.58]Claws spread wide Mouth open and teeth bared
[08:35.42]A roar erupting from its mouth
[08:40.28]The black wild eyes glaring fiercely at your face
[08:47.26]The brown glistening fur Shining in the sun
[08:52.61]Ready to kill--adapted from a poem by Anthony Millan,
[09:00.06]Grade EightBrain:Grizzly bears can grow to 2.5 metres.
[09:06.90]They can weigh 400 kilograms!
[09:11.37]That's big!Danny:Yes,and grizzly bears are fierce,too!Yikes!
[09:19.62]Jenny:Grizzly bears are fierce when they are mad, Danny.
[09:25.08]But did you know that grizzly bears mostly eat vegetables?
[09:31.35]April Fools' DayDanny:Do you know why I always wear a hat?
[09:39.21]It's because it's stuck!I can't take it off!Just joking!
[09:47.47]Look at the date! April Fools'!April Fools' Day is a time for jokes.
[09:56.30]Be careful or you might be an April fool--someone who is tricked on this day.
[10:04.55]Danny:A fool makes lots of mistakes.
[10:09.80]A fool is foolish!When is April Fools' Day?
[10:17.35]April Fools' Day is the first day of the month of April.
[10:23.60]What happens on this day?
[10:27.54]On April Fools' Day, people like to play jokes on each other.
[10:33.89]April Fools' jokes are fun.When you play a joke on someone,
[10:40.84]you laugh and they laugh,too.Don't play jokes that make other people sad or mad!
[10:49.59]And at noon,stop playing jokes.Everyone stops playing jokes at noon!
[10:57.32]When you "tell" a joke,you have fun with words.The words are funny.
[11:04.69]When you "play" a joke,you have fun by tricking someone.
[11:11.95]You make the person do or think something funny.
[11:17.69]How did April Fools's Day begin?Nobody knows for sure how the day began.
[11:26.94]We know that April first was New Year's Day for ancient Romans and Hindus.
[11:35.28]We also know that people around the world
[11:39.74]have played jokes on April Fools' Day for hundreds of years.
[11:46.40]Some people say April Fools' Day began in France in 1564.
[11:54.06]That year,the king of France made January first New Year's Day.
[12:01.50]But many people wanted to keep the old date for New Year's:April first.
[12:09.26]These people kept celebrating New Year's on the old date.
[12:15.43]They were the first"April fools."Romans come from the city of Rome in Italy.
[12:23.97]Italy is a country in Europe.Hindus come from India,a country in Asia.
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