新派英语课标版二年级下册Unit 5 A Revision of Dinosaurs课件(共34张PPT)

(共34张PPT)
A Revision of Dinosaurs
Dinosaurs
Dinosaurs, both huge and small,
Walked over all the Earth
Millions and millions of years ago,
Bang! Went the comet,
Tyrannosaurus, Triceratops,
Sharp teeth and spikes
Didn’t help you then.
Nothing stopped the dust and cold,
Poof! Went the dinosaurs.
Dinosaur Land
6.
7.
1.
3.
2.
5.
4.
What dinosaurs are they
2. What did it eat
3. When did it die out
4. How did it protect itself
2. It ate plants.
3. It died out 64 million years ago.
4. It protected itself with three sharp horns.
1. How long was Triceratops
It was 9 meters long.
How about other dinosaurs Can you tell me
Hey, Daxiong, let’s have a quiz. Look at Triceratops and T. rex, which dinosaur was longer
En… I have no idea. Can you help me, my dear friends
A quiz
Which dinosaur was bigger than Triceratops, Apatosaurus or Stegosaurus
Apatosaurus was bigger than Triceratops.
Which dinosaur was smaller than T. rex but bigger than the Stegosaurus
Triceratops was smaller than T. rex but bigger than the Stegosaurus.
Answer the questions.
Which dinosaur had a longer tail than the other three dinosaurs
Apatosaurus had a longer tail than the other three dinosaurs.
Which dinosaur was fiercer than the other three dinosaurs
T. rex was fiercer than the other three dinosaurs.
A quiz
Answer the questions.
True or false.
A quiz
True or false.
A quiz
Apatosaurus had a huge size body. Stegosaurus had spikes on its tail and large bony plates on its back. Apatosaurus was heavier than Stegosaurus.
T
True or false.
A quiz
Stegosaurus ate plants. T. rex ate meat.
Stegosaurus had sharper teeth than T. rex.
F
True or false.
A quiz
T. rex died out 64 million years ago. Apatosaurus died out 138 million years ago. T. rex died out earlier than Apatosaurus.
F
True or false.
A quiz
Triceratops was 9 meters long. T. rex was 15 meters long. Triceratops was shorter than T. rex.
T
What was in the bottle
Listen and then choose the correct answer.
1. _____ are how we know about dinosaurs.
A. The Earth B. Fossils C. dinosaur bones
2. Dinosaurs walked the Earth for _____ million years.
A. 64 B. 150 C. 115
3. Some grew to be bigger than _______.
A. houses B. horses C. a backpack
4. Maybe they died out because the Earth got too ______.
A. hot B. cold C. dirty
5. They lived in _____ places.
A. a B. the same C. different
A Note
Read me!
Dinosaurs walked the Earth for 150 million years. Some dinosaurs ate meat and some ate plants. Some walked on the land, some flew in the air and some swam in lakes. The last ones died out about 64 million years ago. Maybe it was because the Earth got too cold for them or a comet hit the Earth.
Some dinosaurs grew to be bigger than houses. Some were smaller than a backpack. Nowadays people learn about dinosaurs from fossils.
What we know about dinosaurs
There are no dinosaurs alive now. They _____ (walk) the Earth for 150 million years. Some dinosaurs ____ (grow) to be _____ (big) than houses. Some were _____ (small) than a backpack. Some ___ (eat) meat and some ate plants. Some walked on the land, some ____(fly) in the air and some ____ (swim) in lakes.
The last ones ____ (die) out about 64 million years ago. Maybe it ____ (be) because the Earth ___ (get) too cold for them or a comet ___ (hit) the Earth.
Fossils show that T. rex was ____ (tall) than Stegosaurus. Fossils also show that Apatosaurus ____ (have) a _____ (long) tail than the T. rex.
walked
bigger
ate
flew
was
hit
taller
had
longer
grew
smaller
swam
died
got
died out
dying out
many animals
in danger
‖
endangered
endangered animals
panda
caiman
condor
koala
rhino
Yangtze River Dolphin
golden monkey
Tibetan antelope
South China Tiger
Why are the animals endangered
Why are the animals endangered
Why are the animals endangered
Why are the animals endangered
Why are the animals endangered
Why are the animals endangered
What should we do
Save the animals
Save the Earth
Save ourselves
Homework:
Do you know more about dinosaurs Please make a poster of other dinosaurs, with pictures and description (描述) .
Share your poster with your friends.
Dinosaurs How long it was What it ate When it died out How it protected itself
Triceratops 64 million years ago with three sharp horns
T. rex 15 metres meat 64 million years ago with long sharp teeth
Stegosaurus 6 metres plants 140 million years ago with spikes and bony plates
Apatosaurus 21 metres plants 138 million years ago with huge size
9 metres
plants