Unit 5 Developing ideas Listening and speaking(2) 教学课件2024-2025学年外研版（2024）七年级英语下册

Unit 5 Amazing nature ② Developing ideas (Listening﹠Speaking) Guess What animal is it? It is small and colourful. It has wings but it is not a bird. It lives in gardens, fields and forests. It used to be a caterpillar (毛毛虫). A butterfly It is very big and strong. It has sharp teeth and long claws (爪子). It has a long neck and tail. It hunts and roars (吼叫) . It died out millions of years ago. A dinasour Guess It is yellow with spots (斑点). It can run very fast. It lives in the forest. It is good at climbing trees. It likes to eat meat. A leopard Guess What is the video about? Amazing natural animals. Watch a video What amazing animals can you see? monkeys birds flying fish lizards apes elephants Watch and say Experience a world beyond imagination. Where fish can _. Lizards (蜥蜴) _ on water. Apes master _and frogs disappear in plain _. Animals do the _ things. Through every stage of their lives, from _ home to raising a family, from finding food to_friends. They find ingenious (巧妙的) ways to survive (生存), against all odds. Welcome to the secret lives of animals. fly walk tools sight smartest Watch and fill leaving making Think the frog Tadpoles (蝌蚪) hatch (孵) from frogs’ eggs in water. As they grow, tadpoles slowly start to change shape. They grow legs and lose their tails as they develop into young frogs able to live on land. Like frogs, the young hatch from eggs look very different from the full-grown adults. They can live both on land and in water. Read and feel How do tadpoles turn into frogs? 1. Hatching eggs Frogs lay eggs in water. The eggs hatch into small tadpoles. 2. Living in water Tadpoles spend their first weeks in water. They swim with their long tails. 3. Growing legs After two months, tadpoles grow back legs and start to feed a lot. 4. Breathing air After three months, tadpoles grow lungs to breathe air. They also grow front legs and lose their tails. 5. Living on land By four months, frogs have two strong back legs. They can help them to swim, climb and leap (跳跃) on land. How do tadpoles turn into frogs? Read and feel FACT FILE frogs Frogs have lungs. They can breathe _. Frogs lay _ in water and hatch into tadpoles. On the first weeks, they swim with long _. After two months, tadpoles grow back _. Three months later, they grow front legs and _ their tails. By four months, frogs has strong back legs. They can help them to swim, _ and leap on land. Scientists study the change of frogs’ _ and its behaviour. The young hatch from eggs look very _ from the full-grown adults. They can live both on _ and in _. land water bodies different air eggs tails lose legs climb Read and complete Introduction to frogs: Research on frogs: FACT FILE The name of the animal Appearance (外貌) Life cycle (生活周期) Habitat (栖息地) Food Special abilities The study results of the scientists The importance of the animal on humans The relationship between the animal and humans Summarize Introduction to the animal: Research on the animal: What does it look like? How does it grow up? Where does it live? What does it eat? What can it do? Look and review [ r w rm] [ l f ] [ sens t v] Search and design Design a fact file Introduction to earthworms: Research on earthworms: FACT FILE earthworms Earthworms breathe through their skin. They don’t have any bones. Earthworms don’t have any eyes but they sense how to get around by sensing light. They eat 1/3 of their own body weight in food every day. They stay underground during the day and come out at night. They can grow up to 35cm and live for about 6 years. Scientists study earthworms’ bodies and living habits. If you cut an earthworm in half, they can regrow the other half back. Search and design Homework Must do: Search for more information about amazing life on the Internet. Choose to do: Make a fact file about the amazing animal and share it with your classmates. com.apple.VoiceMemos (iPhone Version 18.3.1 (Build 22D72)) com.apple.VoiceMemos (iPhone Version 18.3.1 (Build 22D72)) com.apple.VoiceMemos (iPhone Version 18.3.1 (Build 22D72)) com.apple.VoiceMemos (iPhone Version 18.3.1 (Build 22D72)) com.apple.VoiceMemos (iPhone Version 18.3.1 (Build 22D72)) com.apple.VoiceMemos (iPhone Version 18.3.1 (Build 22D72)) $$