外研选择性必修第一册U5_Starting_out_Understanding_ideas_精品课件

3. From the sixth paragraph, what was Chareles Darwin brave to do? A. To travel alone in the mountains. B. To fight against other people. C. To express his own ideas. D. To inspire others to tell the truth. 4. What did Charles Darwin base his theory on? A. Doing experiments. B. Scientific research. C. Traditional beliefs. D. Famous sayings. 5. What does this text mainly tell us about? A. Why people respect Charles Darwin so much. B. Why Charles Darwin was interested in living things. C. How lucky Charles Darwin was in his early years. D. How Charles Darwin's Theory of Evolution came out.
Unit 5 Revealing Nature
Period 1 Starting out & Understanding ideas
Step 1: Starting out
Activity 1: Look at the page from a science magazine and answer the questions. 1. What do you know about these animals? What makes them special?
2. What other similar animals do you know about? Share your knowledge with the class.
UNUSUAL ANIMALS nding ideas
Activity 1: Look at the pictures and answer the questions. 1. What species do you recognise in the picture? paramecium, earthworm, snail, crab, fish, tortoise, bird, horse, human, frog, algae, moss, fern......
Activity 3 Number the puzzle pieces in order. Organise information from the passage and complete them.
1. On His Journey various leaving things in their natural environments and samples of the plants and animals he had collected//very similar to each other 2. Generate Ideas come to exist// Maybe animals evolved as they adapted to their changing environments? 3. Look For More Evidence that there was a difference between the finches on each of the islands.//had evolved according to what food was available on that particular island.
Activity 3 Number the puzzle pieces in order. Organise information from the passage and complete them.
4. Developing Ideas had evolved from a common ancestor, which had arrived on the islands a long time before // slowly evolved into many new species. 5. Propose A Theory had evolved from lower forms of life.
Activity 3 Choose the main idea of the passage and give your reasons.
1.What do we know about Charles Darwin form the first paragraph? A. His father was disappointed about him. B. He wasn't interested in his lessons at college. C. He knew the captain of the Beagle very well. D. He wanted to travel around the world by ship. 2. What was Charles Darwin interested in? A. Travelling around the world. B. Living things on Earth. C. Communicating with others. D. Doing research on resources.
2. What factors can cause the process of evolution? variation, heredity, natural selection Activity 2 Read the passage and talk about your understanding of the title.