外研版（2024）八年级下册（2024））Understanding ideas教学演示课件ppt

这是一份外研版（2024）八年级下册（2024））Understanding ideas教学演示课件ppt，共45页。PPT课件主要包含了Vocabulary，Homework，Key Points，dinosaur，feather，ˈfeðər，n 羽毛，believe，thanks to，含义多亏由于等内容，欢迎下载使用。
Learning Objectives
Starting Out
Understanding ideas
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。。
核心词汇：dinsaur，feather，believe，thanks t，amber，pieces f the past，change，species，n lnger，prve，discver，unknwn，ant，belief，a windw n the past，put mre effrt int…，key，unlck，secrets f nature等
/ˈdaɪnəsɔː(r)/n.恐龙
重点短语：dinsaur fssils (恐龙化石)
例：Scientists have fund many dinsaur fssils in this area.科学家在这个地区发现了许多恐龙化石。
bird feather (鸟的羽毛)
The feather is very light and sft.(羽毛非常轻且柔软。)
/bɪˈliːv/ v. 相信；认为
重点短语：believe in (相信；信任)
I believe that he will cme.(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。
例句：Thanks t yur help, I finished the wrk n time.(多亏了你的帮助，我按时完成了工作。)
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。)
pieces f the past
过去的碎片；历史的遗迹
Example:These ld phts are pieces f the past.(这些老照片是过去的碎片。)
v. & n.改变；变化
change ne's mind (改变主意)
Great changes have taken place in my hmetwn.我的家乡发生了巨大的变化。
/ˈspiːʃiːz/
endangered species (濒危物种)
Pandas are an endangered species. (熊猫是濒危物种。)
Meaning: 不再
Example: He n lnger lives here.(他不再住在这里了。)
重点短语：prve t be (证明是)
He prved t be a gd student.他证明是个好学生。
/dɪˈskʌvə(r)/ v.
重点短语：discver a new star (发现一颗新星)
Clumbus discvered 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。
/ˌʌnˈnəʊn/adj.
unknwn number(未知数)
The rigin f this custm is unknwn.这个习俗的起源是未知的。
a clny f ants(一群蚂蚁)
Ants are very hard-wrking insects.蚂蚁是非常勤劳的昆虫。
【短语】religius belief (宗教信仰)
【例句】His belief in Gd is very strng. (他对上帝的信仰非常坚定。)
a windw n the past
Meaning:了解过去的窗口
Example:This ld diary is a windw n the past.(这本旧日记是了解过去的窗口。)
put mre effrt int…
含义：在……上投入更多努力
例句：Yu shuld put mre effrt int yur studies.(你应该在学习上投入更多努力。)
/kiː/n. & adj.
key pint (关键点)
The key t success is hard wrk.成功的关键是努力工作。
/ʌnˈlɒk/ v.
unlck the dr(开门)
She used the key t unlck the dr.她用钥匙打开了门。
Unlck the dr with a key
secrets f nature
Meaning:大自然的秘密
Example:Scientists are trying t discver the secrets f nature.科学家们正在努力发现大自然的秘密。
Please lk at the picture and think abut the questin:What d yu see in the picture?Hw d yu feel abut it?
Lking int nature=Explring nature
Tpics f the unit
What are yu ging t 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 bilgist b) a dctr c) a mathematician
Grup discussin:What d they have in cmmn?
They all studied nature.They are all natural explrers.
Pre-watching: Which part f nature d yu think this vide will explre?
Space/Universe
What secrets f nature are mentined in the vide?
What are they? Why d scientists study them?
Studying the past
What is it? What can yu see in it? Is amber abut the future r past?
Amber is a windw n the past.Amber can unlck secrets f ...
While reading:Structure
Hw many secrets are mentined in the passage? What are they? Match thse secrets with each paragraph.
The secret abut dinsaurs. → Para. 1-2The secret abut flwers. → Para. 3The secret abut ants. → Para. 4
Careful reading：key infrmatin
Careful reading
T: What kind f animals ften have feathers?S: Birds.
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。
Key wrds:scientist, research, discvery, nature
T: What secrets des the amber shw us?S: It shws us... It helps : Hw is amber s imprtant t explring nature?S: Amber is a windw n the past, and a key t unlck mre secrets f nature.
Retell three amber discveries and their imprtance
Pair wrk: Retell the imprtance f amber
Think and share: The writer calls amber “a windw n the past” and “a key”. D yu think these names are gd fr amber? And why?What are sme ther ways fr yu t knw abut nature’s secrets?
Must d: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。Chse t d：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