初中英语外研版（2024）八年级下册（2024））Developing ideas教案配套ppt课件

这是一份初中英语外研版（2024）八年级下册（2024））Developing ideas教案配套ppt课件，共25页。PPT课件主要包含了学习目标，Lead in，大自然充满了秘密，唤起我们的好奇心，ˈrekɔːd，rɪˈkɔːd，pəˈfekt，dɪˈzɜːt，cook，tea等内容，欢迎下载使用。
Hw d yu feel after watching this vide?
I feel amazed.
I feel a little scared.
I feel interested in nature.
I feel curius.
Lk and match.
1. What secrets f nature d these pictures shw?
Pre-listening
Which f the secrets interests yu mst?
The black hle interests me mst.I think it's very mysterius. I want t knw what is inside a black hle. It drives scientists t explre space and awakens my curisity.
Read and answer.
Why d scientists want t study these secrets?
Because these secrets awaken peple's curisity and help scientists better understand the wnders arund us.
drive sb. t d sth.驱使某人做某事
While- listening
1 Listen t the talk and chse the crrect tpic.
Tips: Befre listening, please read the questins and circle the key wrds.
recrd a wrld recrd / recrd the temperatureprduce fresh prduce / prduce xygenperfect a perfect gift / perfect her skillsdesert the biggest desert n earth / desert his duty
Listen and repeat.
​​/ˈprɒdjuːs/
/prəˈdjuːs/
​​/ˈpɜːfɪkt/
​​/ˈdezət/
amazing wnders
2 Listen again and cmplete the prfile.
Guide: Welcme t the Amazn rainfrest! Nw, I'd like t present a special river t yu. Since ancient times, peple have talked abut a biling river in the rainfrest. Many peple laugh at this stry, but in fact, it’s true! The water can be as ht as 86°C. Peple here ck with it, clean with it and make tea with it! There's n need t make a fire! The water nly cls dwn after heavy rain. Then peple g swimming in it. I think it's ne f the mst amazing wnders f the rain frest.
What’s the speaker’s pinin?
The turists and the guide are having a heated discussin. Let’s listen carefully.
3 Listen t the cnversatin and cmplete the table.
heat the river
700 kilmetres / 700 km
in the water
Guide: Ancient peple here thught that the sun makes the river ht.By: It's pssible, right? There's a lt f sunshine here.Guide: Actually, it's unlikely fr the sun t heat the river that much. Just think f utdr swimming pls. Wuld the water get t 86°C in summer?Girl: Yu're right. But hw abut vlcanes? Perhaps the river passes a vlcan and becmes ht?Guide: Gd guess! But I'm afraid that's nt the reasn. The nearest vlcan is abut 700 kilmetres away.Girl: I have anther idea! Maybe there are sme chemicals in the water. They can prduce heat. I've studied them at schl.Guide: That's pssible. But scientists haven’t fund such chemicals in the river yet. They need t d mre research...
Listen again. Then talk abut hw the speakers discuss pssibilities.
Pst-listening
What can yu see in the pictures?
Lk and say.
Crp circles
麦田怪圈，它是田野里出现的巨大圆形图案。
4 Wrk in pairs. Chse ne unslved secret f nature and talk abut pssible explanatins.
A: Have yu heard f __________?B: Yes, it's very mysterius. I'm curius abut the pssible reasns.A: Perhaps there was an ________. Smething made the island sink int the sea.B: That's pssible. An earthquake might have caused it.A: Yes, maybe. It's als pssible that the city disappeared because f _________________.B: Or maybe Atlantis never existed and it’s just a stry.A: Yes, that culd be true!
rising sea levels
What have yu learnt abut the secrets f nature?
Think and share
Nature is amazing and full f mysteries.
They awaken ur curisity and make us want t learn mre!
Nature is full f secrets!
Language pints
1.充满奥秘2.唤起我们的好奇心3.驱使科学家去……4.宇宙的起源5.和…… 一样热6. 用它清洁7.去游泳8. 最近的火山9. ……之一
be full f secretsawaken ur curisity drive scientists t…the beginning f the universeas ht as… clean with it g swimmingthe nearest vlcan ne f…
1.— D yu ften ______ in the river? — N, it's t deep and dangerus. A. g swim  B. g swimming  C. g t swimming2. The sup is very ht. It is ______ the sun. A. as ht as  B. s ht as  C. ht as3.The stry f the mnster _____. We all want t knw what it is. A. full f secrets  B. is full f secrets  C. is full with secrets4.Changjiang is ______ the lngest rivers in the wrld. A. ne  B. ne f  C. a5.We dn't knw the exact time f ______ the universe. A. the beginning f  B. beginning f  C. the begin f
vlcan, unlikely, lcal, rainfrest, biling, universe, awaken…
掌握了不同的听力技巧获取关键信息，听主旨大意，听细节等。
We have listened t a talk and a cnversatin t get infrmatin and answer questins.
We have learnt abut learnt abut the secrets f nature.