Unit 4 Amazing Plants and Animals Section B 2a-2d课件(共18张PPT) 2025-2026学年人教版（2024）英语八年级上册

(共18张PPT)
How are plants and animals connected with us
Unit 4
Section B 2a-2d
[k nekt] 连接；沟通
1. habit height size weight
2. joy happiness fun enjoy
3. angry disappointed smart sad
4. appear look seem watch
5. honey milk juice bread
“Look at these groups of words. For each group, there’s one word that doesn’t belong with the others. We need to circle it and explain why. Let’s start together!
What do ‘height, size, weight’ have in common ”
“事物的物理特征、度量” 有关
weight 是重量
height 身高 / 高度
size 是 尺寸/大小
Group 1
habit , height, size, weight
Which three words do you think have in common ”
odd
What do ‘joy happiness fun’ have in common ”
They are all positive emotional experiences.
Joy
happiness
fun
joy happiness fun enjoy
Group 2
Which three words do you think have in common ”
odd
What do ‘angry, sad, disappointed’ have in common ”
They are all bad feeling experiences
angry, sad, smart, disappointed
Group 3
Which three words do you think have in common ”
odd
He appears disappointed.
She looks angry .
He seems sad.
What do ‘appear, look, seem’ have in common ”
给人某种印象、传达一种主观判断或呈现出某种状态” 的含义
appear, look, seem, watch
Group 4
Which three words do you think have in common ”
odd
What do ‘honey, juice, milk’ have in common ”
They are all liquids for drinking
honey, juice, milk, bread
Group 5
Which three words do you think have in common ”
odd
Circle the odd ones. Then give your reasons we just learned .
奇怪的；古怪的
[ h b t] 习惯
动词
行为动作动词
固体
2a
happiness
performance
reality
education
movement
decision
Do you know these nouns
Are they the original forms or changed ones
We can change verbs/adjectives into nouns by adding suffix.
We can add suffixes to their endings
[ s f ks] 后缀
happy (adj.) + -ness → happiness (n.)
perform (v.) → performance (n.)
educate (v.) → education (n.)
real (adj.) → reality
move(v.)-movement (n.)
decide(v.)-decision (n.)
Add the endings -ance, -(t) ion, -ness, and -ity to form nouns. Use your dictionary.
2b
1. act _________________ 2. good _________________
3. kind _________________ 4. appear _________________
5. real _________________ 6. imagine _________________
7. connect _________________ 8. popular _________________
9. communicate _________________ 10. important _________________
action
goodness
kindness
appearance
reality
imagination
connection
popularity
communication
importance
Let’s summarize
act：Bees’ ______ of pollinating flowers helps plants grow.
good：The ______ of protecting bees makes nature better.
kind：______ to small animals like bees is important.
appear：The ___________ of many birds in the forest is lovely.
real：The ___________ is that bees are key to our ecosystem.
action
goodness
kindness
appearance
reality
Let’s practice
imagine：Children’s ___________ about bee worlds is fun.
connect：The ___________ between bees and flowers is vital.
popular：The ____________ of bee - friendly flowers is growing.
communicate：Bees’ _____________ through dances is amazing.
important：The _____________ of bees to nature can’t be ignored.
imagination
connection
popularity
communication
importance
Let’s practice
Complete the sentences with the correct forms of the words in the box.
2c
1. I felt ________________ when my favourite flowers died.
2. After the rain, some mushrooms ________________ in the garden.
3. In my hometown, people often use bamboo baskets to ________________ food.
4. What did you put in your luggage It ________________ a ton.
5. I can’t ________________ my life without my pets. They mean a lot to me.
appear disappoint imagine store weigh
disappointed
appear
store
weighs
imagine
/ m r m /
n. 蘑菇；伞菌
ton /t n/ n. 吨
Complete the passage with the correct forms of the words in the box.
2d
You may not realize it, but frogs play an important role in our ____________ ecosystem. The smallest frogs are about the size of a pea, while larger ones can grow as big as a human hand. Many people know that frogs help to ____________ farms by eating insects. ____________, not everyone understands their ____________ in nature. Frogs can live on ____________ and in water. Because of this, they are popular subjects in studies on climate change and the ecosystem.
however important land planet protect
planet's
protect
However
importance
land
play an important role in 扮演一个重要的角色
the size of ...的尺寸
然而...表“对比”
by...借助...方式 方式状语
Homework
一、基础性作业
词汇分类速答
每组单词中圈出不同类的词，在横线上写理由（限 10 字内）：
① appear, look, seem, watch → 不同类：______ 理由：______
② honey, milk, juice, bread → 不同类：______ 理由：______
后缀转换与填空
给单词加后缀变名词，填入句子空白处：
kind → ： to pets makes them happy.
imagine → ______：Children’s ______ about space is wonderful.
Homework
二、拓展性作业（带实践性，PPT 可附简单提示）
身边观察记录
观察校园里1种植物（如小草）或动物（如麻雀），用1句话写出它和另一种生物的联系（必须用 “connection”），例如：“Grass and rabbits have a food connection.”
2. 保护建议卡
用 “protect” 和 “importance” 写 1 条保护身边动植物的小建议（贴在书桌或笔记本上），例如：“It’s important to protect butterflies by not picking their favorite flowers.”