外研版 (2019)必修 第三册Unit 3 The world of science教案配套ppt课件

这是一份外研版 (2019)必修 第三册Unit 3 The world of science教案配套ppt课件，共23页。
Learning bjectives
In this class, yu will
● Share sme infrmatin yu knw abut Benjamin Franklin; ● Read the passage t find ut what Franklin’s experiment aimed t prve;● Make a discussin abut “ ... we shuld nt always believe everything we read r hear — even if it is a great stry”;● Share yur pinin abut the statement and give a talk.
Guide students t apply the cntent learned in this unit, describe the changes brught by technlgy t human life, and apprpriately express their pinins;
Guide students t make reasnable evaluatins f their learning behaviur and effectiveness frm aspects such as language ability and thinking quality.
Teaching Fcuses and Anticipated Difficulties
Albert Einstein
Charles Darwin
Isaac Newtn
Benjamin Franklin
the lightning rd
What else d yu knw abut him?
Benjamin Franklin (1706-1790) was ne f the Funding Fathers f the United States and helped draft the Declaratin f Independence and the US Cnstitutin. Apart frm being a successful statesman, he was als well knwn as a leading American authr, printer and publisher, successful diplmat, creative scientist and inventr.
Benjamin Franklin
Para.1　 A. Questining accepted ideas.Para. 2 B. Benefits f the stries abut explring science. Para. 3 C. The purpse and prcess f Franklin's experimentPara. 4 D. Facts shuld be prved by experiments and researchPara. 5 E. Intrductin f the theme f the text.Para. 6 F. Nt everything abut the experiment is true.
Fast-reading Match the main ideas with each paragraphs.
Read the passage and find ut what Franklin’s experiment aimed t prve.
T knw if lightning was really prduced by electricity r smething else
Read para.2 and write an experiment reprt.
a kitea stringa key
He gt an electric shck.
Lightning was a frm f electricity.
2._____ a metal key t a string
4._____ the key with the finger
3._____ the kite during the rainstrm
1._____ a string t a kite
Read para.3 and para.4 and think:Hw much is true?
It has been prved that Franklin’s experiment tk place.
The detail abut the string and the key is true.
If Franklin had actually tuched the key, he wuld certainly have died frm the electric shck.
1. Try t find mre infrmatin abut Franklin’s Kite experiment n the Internet.2. Chse anther wrld famus scientist and figure ut what he/she is famus fr. Write dwn yur results and the reasn(s) why yu chse him/her.