大猫英语分级阅读 十级 Fossils课件

1、Fossils 十级化石探秘Look at the picture on the cover. What is it? What do you think this book is about? Are you interested in this topic? What do you want to know about this topic? Fossilsgeneral informationsea creaturesplantstracesland animalsWorksheet 1 What are fossils? How many types of fossils are me

2、ntioned in this part? What are they? Whats a palaeontologist? When palaeontologists discover a fossil, what do they do step by step? Pages 2-3Pages 4-5 Where can you find fossils? Why is the seaside a good place to look if you want to go fossil hunting? Page 6Page 7How can palaeontologists tell how

3、old the fossils are? What is this? Is this one older or younger than that one? How many kinds of fossils are mentioned in this part? What are they? Pages 8-19 Where can you find ammonite fossils? Can you find a live ammonite today? Why not? What is the shape of an ammonite? How old are ammonite foss

4、ils? How did ammonites swim and catch food? Pages 8-19ribscoiled (spiral) shella sharp beak and tentaclesPages 10-11 What are corals? Are they animals or plants? Where do corals grow? How old can some coral fossils be? How many shapes are mentioned in this part? What are they? Where is the largest l

5、iving coral reef? What is it called? Pages 12-13 Do fossilised clams and oysters look the same or different from the live ones today? What is the function of the curved ribs on the oyster fossil? If you find a large number of fossilised sea creatures inland, what would that indicate? Why does the wr

6、iter say “a large number of”?Pages 14-15 What do sea scorpions look like? Whats the difference between sea scorpions that lived millions of years ago and scorpions today? Why do sea scorpions need pincers? Why are horseshoe crabs called living fossils? Pages 16-17 Why does the writer suggest you loo

7、k hard if you find a fossil of a trilobite? Can you see living trilobites today? Why not? How many shapes of trilobites are mentioned in this part? Why would a trilobite roll into a ball? Pages 18-19 What do sea urchins look like? Whats the difference between a live sea urchin and a fossilised sea u

8、rchin? How many shapes of sea urchins are mentioned in this part? Why is it hard to find starfish fossils? What does “fragile” mean? How can you tell if the fossil youve found is a starfish fossil? Why does a starfish need arms? Pages 20-21 How many kinds of plant fossils are mentioned in this part?

9、 How can you see fossilised pollen? Why do you need a powerful microscope to see fossilised pollen? When did the first plants on land appear? What were the first plants on land like? How did the plants change over time? What are trace fossils? How were they made? Why is it hard to tell which animal

10、made it from just the footprint? Pages 22-23 In which parts of the world have complete dinosaur fossils been found? How did dinosaurs become dinosaur fossils? How can you tell if the dinosaurs ate meat or plants? What would the teeth of the dinosaurs be like if they ate meat? Why? Pages 24-27What is

11、 the palaeontologist doing? What tools can you see in the photo? Do you know what they are for? Pages 24-27Which part is the neck? Where are its legs? Where is its head? Page 29Worksheet 2ammonitescoralsclams and oysterssea scorpionshorseshoe crabstrilobitessea urchinsstarfish1. There are live ones

12、today.2. They are now extinct.3. They often live together.4. They have many different shapes.5. The live ones are similar to their fossils.6. The live ones are quite different from their fossils.Do you want to become a palaeontologist some day? Why or why not? What do you need to do to become a palaeontologist? If you want to go fossil hunting, where sho