资源简介

新人教版八年级上册英语Unit 4 Amazing Animals and Plants
Period 5 Section B 2a ~ 3c教学设计
I. Teaching Objectives
1. Be able to identify word categories, master the method of forming nouns by adding affixes, and accurately use key words to complete sentences and short passages.
2. Be able to extract main information about blue whales from a text and write a short passage from the blue whale's perspective in the first person.
3. Develop Ss' vocabulary usage skills, information extraction skills, and writing skills.
II. Language Knowledge
1. Key words & expressions
happiness, disappoint, ton, role, climate, ocean, except, tiny, lively, play a role in, live up to
2. Key sentences:
(1) Blue whales live in all oceans except the Arctic Ocean.
(2) Blue whales play an important role in our world, so we must protect them.
3. Key & challenging points
(1) Identify word categories, master the method of forming nouns by adding affixes, and accurately apply key vocabulary to complete sentences and passages.
(2) The usage of adjectives and adverbs in daily life.
(3) Rewrite the paragraph in the first person to understand the important role of blue whales in the ecosystem.
III. Teaching Procedures
Step 1 Lead-in
Show a short video about different objects with their measurement (height, size, weight) on the screen. After watching, ask Ss some simple questions, like “What can you remember about the measurements in the video ”
Step 2 Presentation
Work on 2a and 2b
1. Ask Ss to observe the vocabulary in 2a, circle the odd ones out, and provide reasons.
2. Explain the rules for forming nouns with the suffixes -ance, -tion, -ness, -ity.
3. Ss complete the exercises in 2b independently, the teacher walks around to provide guidance. Finally, the class checks the answers and the teacher explain the key words.
Step 3 Practice
Work on 2c and 2d
1. Ss complete the exercises in 2c and the fill-in-the-blank exercise for the short passage in 2d independently.
2. Pairs correct each other's work within their groups, and the teacher provides explanations.
Step 4 Pre-reading
Play a short video about blue whales.
T: What do you see What do you want to know about blue whales Let Ss share their ideas.
Step 5 While-reading
Work on 3a
1. Fast-reading
Ss read the text quickly and answer: What's the text mainly about
2. Careful-reading
Ss read the text carefully and complete the table in 3a. Guide them to find:
Weight: as much as 200 tons
Where they live: all oceans except the Arctic Ocean
Food: Some of the tiniest ocean animals
How long they live: up to 90 years
Role in ecosystem: food for other animals, create a lively and healthy ecosystem
Step 6 Post-reading
T: Work in groups to say something about how to protect blue whales by answering the following questions:
1. Why are blue whales endangered
(1) Because the temperature in the ocean is becoming higher and higher.
(2) Because there is more pollution in the ocean.
(3) Because humans kill blue whales to get the fat under their skin.
2. How to protect blue whales
(1) Ask the government to make laws to stop killing.
(2) Ss can make some posters to tell the public the
Summary
importance of blue whales.
(3) Do more research on them.
Step 7 Writing
Work on 3b
The teacher guides Ss to review the characteristics of blue whales from the text in 3a, and then to complete the part of 3b in the first person.
Assessment of Teaching effectiveness
1. Observe Ss' enthusiasm for discussion and their anticipation for reading.
2. Check the accuracy of Ss' summarization of the article's main theme.
3. Check the accuracy of the table completion.
4. Evaluate the depth of Ss' expression of opinions and group discussions.
5. Observe whether Ss can complete the writing from a first-person perspective based on the characteristics of the blue whale, and provide specific writing prompts to Ss who are struggling.
Design Purpose
1. To stimulate Ss' interest and activate their vocabulary related to evaluating the characteristics of animals and plants.
2. To develop Ss' vocabulary discrimination skills and help them systematically master word formation knowledge and language application skills through
Summary
the content of 2a and 2b; to ensure Ss solidify their grasp of the key points through targeted guidance.
3. This exercise can promote collaborative learning and peer assessment, which can deepen Ss' engagement with the material and enhance their ability to self-assess and correct their work.
4. To visually stimulate interest and activate prior knowledge.
5. To practice skimming for the main idea.
6. To develop intensive reading and detail organization skills.
7. To promote critical thinking and language output, reinforcing conservation awareness.
8. To enable students to apply the learned information creatively through first-person writing, with scaffolding provided for those who need it.
IV. Blackboard Design
Unit 4 Amazing Plants and Animals
Section B 2a ~ 3c
Weight: as much as 200 tons
Home: in all oceans except the Arctic Ocean
Food: tiniest animals
Life Span: live up to 90 years
Importance:
- become food for...
- create a lively and healthy ecosystem
V. Homework
Required:
Complete a short self-introduction from the perspective of Billy the Blue Whale base on the writing framework provided in class. The passage should include the characteristics of blue whales (such as weight, habits, food, life span, etc.) and their role in the ecosystem.
Optional:
Do some research on other endangered marine animals and write a short report about their living situations and the importance of protecting them.
VI. Teaching Reflection
In this unit, varied teaching methods enhanced Ss' comprehensive language skills. For vocabulary, they learned to distinguish word types and form nouns with suffixes. In reading and writing, studying a text and practicing first-person narratives developed their information extraction, logical thinking, and creative writing abilities.

展开更多......

收起↑