(
课件网) Unit 5 Unit 5 Revealing nature To get key words and information through reading the science magazine page; To talk about the importance of seeds travelling; To develop the awareness of revealing nature. Do you like animals Can you name the following animals in English Do you know what situation these animals have in common whale rhino Tibetan antelope All these animals above are in danger now. Why are they in danger of disappearing Why are they in danger of disappearing a lack of food have been eaten Rivers have been polluted. air pollution killed by people Trees have been cut down. … Revealing nature What do you expect from the title How much do you know about nature Man selects only for his own good; nature only for that of the being which she tends. Charles Darwin Look deep into the nature, and then you will understand everything better. Albert Einstein reveal: to make known something that was previously secret or unknown Look at the page from a science magazine and answer the questions. 1. What do you know about these animals What makes them special Komodo dragons were first encountered by Western researchers in 1910. The researchers said the ancestor of the Komodo dragon most likely evolved in Australia and spread westward, reaching the Indonesian island of Flores 900,000 years ago. Komodo dragon The Komodo dragon is the largest lizard in the world. It can grow to three meters in length and can weigh about 135 kilograms. Despite its size and weight, it can run for short distances at up to 20 kilometers per hour. The first scientists to examine a preserved platypus body judged it a fake in the late 18th century. The oldest discovered fossil of the modern platypus dates back to about 100,000 years ago. Duck-billed platypus The duck-billed platypus is a small egg-laying mammal (up to 60 cm in length) found only in Eastern Australia including Tasmania. As its name suggests, it has a mouth that looks like a duck’s bill, while its thick fur and flat tail are similar to those of a beaver. Fossil records indicate that the nautilus has survived relatively unchanged for around 500 million years. It is often considered a “living fossil”. Nautilus As one of the oldest sea animals in the world, the nautilus has hardly changed in about 500 million years, and that is why it is often given the name “living fossil”. They have survived on Earth for millions of years. They are all rare species. 2. What other similar animals do you know about Share your knowledge with the class. Pangolin Golden monkey Lynx 猞猁 Iguana 美洲鬣蜥 Giant tortoise 1. How can seeds travel How can this benefit plants 2. Can you think of another example of seeds travelling Share it with the class. Watch the video and answer the questions. How can seeds travel How can this benefit plants 2. Can you think of another example of seeds travelling Share it with the class. Seeds usually are carried by the wind, water, and a ... ...
