2026外研版新教材英语八年级下册 Unit 5 Starting out &understanding ideas -Reading 同步课件

(共45张PPT)
Starting out & Understanding ideas
——Reading
Learning Objectives
Vocabulary
Starting Out
Understanding
ideas
Homework
Key Points
借助图片、单元导语与视频，感知本单元话题 ——“探索自然”，激活有关自然探索的背景知识，激发他们有关持续学习与探索自然的兴趣；
通过问题情境，梳理出三项通过琥珀化石研究取得的自然探索新发现，并形成结构化知识；
小组合作介绍上述三个新发现及琥珀化石对于科学家探索自然的实际意义。
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核心词汇：dinosaur，feather，believe，thanks to，amber，pieces of the past，change，species，no longer，prove，discover，unknown，ant，belief，a window on the past，put more effort into…，key，unlock，secrets of nature等
dinosaur
三级词汇
/ da n s (r)/n.恐龙
重点短语：dinosaur fossils (恐龙化石)
例：Scientists have found many dinosaur fossils in this area.
科学家在这个地区发现了许多恐龙化石。
feather
/ fe (r)/
n. 羽毛
bird feather (鸟的羽毛)
The feather is very light and soft.
(羽毛非常轻且柔软。)
三级词汇
believe
三级词汇
/b li v/ v. 相信；认为
重点短语：believe in (相信；信任)
I believe that he will come.
(我相信他会来的。)
Tips: 表示“相信某人或某事”时，直接接宾语；表示“信任某人的品质或能力”时，用 believe in。
thanks to
含义：多亏；由于
例句：
Thanks to your help, I finished the work on time.
(多亏了你的帮助，我按时完成了工作。)
amber
/ mb (r)/
n. 琥珀
amber necklace (琥珀项链)
She is wearing a beautiful amber necklace.
(她戴着一条漂亮的琥珀项链。)
三级词汇
pieces of the past
过去的碎片；历史的遗迹
Example:
These old photos are pieces of the past.
(这些老照片是过去的碎片。)
change
/t e nd /
v. & n.改变；变化
change one's mind (改变主意)
Great changes have taken place in my hometown.
我的家乡发生了巨大的变化。
三级词汇
species
/ spi i z/
n.物种；种类
endangered species (濒危物种)
Pandas are an endangered species. (熊猫是濒危物种。)
三级词汇
no longer
Meaning: 不再
Example: He no longer lives here.
(他不再住在这里了。)
prove
/pru v/
v.证明；证实
重点短语：prove to be (证明是)
He proved to be a good student.
他证明是个好学生。
三级词汇
discover
/d sk v (r)/ v.
发现；发觉
重点短语：discover a new star
(发现一颗新星)
三级词汇
Columbus discovered America in 1492.
—— 哥伦布于1492年发现了美洲。
Tip: 侧重于“发现”原本存在但未被人所知的事物，如科学发现、新大陆等。
unknown
/ n n n/adj.
未知的；不出名的
unknown number(未知数)
The origin of this custom is unknown.
这个习俗的起源是未知的。
★ 三级词汇 ★
ant
★ 三级词汇
/ nt/n.蚂蚁
a colony of ants(一群蚂蚁)
Ants are very hard-working insects.
蚂蚁是非常勤劳的昆虫。
belief
/b li f/
n.信念；相信
【短语】religious belief (宗教信仰)
【例句】His belief in God is very strong. (他对上帝的信仰非常坚定。)
三级词汇
a window on the past
Meaning:了解过去的窗口
Example:This old diary is a window on the past.
(这本旧日记是了解过去的窗口。)
put more effort into…
含义：在……上投入更多努力
例句：
You should put more effort into your studies.
(你应该在学习上投入更多努力。)
key
/ki /n. & adj.
钥匙；关键的
key point (关键点)
The key to success is hard work.
成功的关键是努力工作。
三级词汇
unlock
/ n l k/ v.
打开；解锁
unlock the door(开门)
She used the key to unlock the door.
她用钥匙打开了门。
三级词汇
Unlock the door with a key
secrets of nature
Meaning:大自然的秘密
Example:
Scientists are trying to discover the secrets of nature.
科学家们正在努力发现大自然的秘密。
Free talk
Please look at the picture and think about the question:
What do you see in the picture
How do you feel about it
Looking into nature=Exploring nature
Topics of the unit
What are you going to learn in this unit
1. 探索自然的发现
2. 自然界未解之谜
3. 自然探索精神
a biologist
b) a doctor
c) a mathematician
Group discussion:
What do they have in common
They all studied nature.
They are all natural explorers.
Pre-watching:
Which part of nature do you think this video will explore
Space/Universe
What secrets of nature are mentioned in the video
What are they Why do scientists study them
Studying the past
What is it
What can you see in it
Is amber about the future or past
Amber
Amber is a window on the past.
Amber can unlock secrets of nature.
... ...
While reading:
Structure
How many secrets are mentioned in the passage
What are they
Match those secrets with each paragraph.
The secret about dinosaurs. →
Para. 1-2
The secret about flowers. →
Para. 3
The secret about ants. →
Para. 4
Careful reading：key information
Careful reading
T: What kind of animals often have feathers
S: Birds.
feather
2.通过问题情境，梳理出三项通过琥珀化石研究取得的自然探索新发现，并形成结构化知识。
Genre (体裁)
Key words:
scientist, research, discovery, nature
T: What secrets does the amber show us
S: It shows us...
It helps us...
T: How is amber so important to exploring nature
S: Amber is a window on the past, and a key to unlock more secrets of nature.
Retell three amber discoveries and their importance
Pair work: Retell the importance of amber
Think and share:
The writer calls amber “a window on the past” and “a key”. Do you think these names are good for amber And why
What are some other ways for you to know about nature’s secrets
Must do:
根据你课上的表格，练习转述介绍有关琥珀的三个发现及其意义，并最终将你的介绍转换为一小段文字。
Choose to do：
班级分为四人小组，查阅网络信息并准备一项有关自然界发现的专题介绍。内容需包括：研究的基本信息、发现者、主要发现及其意义等
Thank you！