高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists备课ppt课件

这是一份高中英语人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists备课ppt课件，共19页。PPT课件主要包含了Workbook等内容，欢迎下载使用。

Assessing Yur Prgress
Learning bjectives
By the end f this sectin, yu will be able t:1. check and cnslidate what yu have learnt in this unit when it cmest vcabulary, such as brilliant, slid, and micrscpe;2. check and cnslidate what yu have learnt in this unit when it cmes t grammar—the predicative clause;3. imprve yur ability f self-evaluatin and reflectin.
The scientist’s main task is t discver hw things wrk in the universe. But few scientists have placed themselves under the __________. S even thugh the __________ scientific methd, which mainly includes hyptheses, data cllectin, and statistical analysis, is written dwn, the methd by which scientists cme t __________ cnclusins is hard t identify. Tw f the essential qualities a scientist needs t have seem t be curisity and creativity. Peple wh are curius usually have a mixture f seemingly _____________ desires: They are lking fr riginality and yet they als want everything in its prper place. T settle the cnflict between statistics and __________, scientists ften have t be creative, and think utside the bx — apprach the prblem frm different directins. They must have a vivid imaginatin and a strng intuitin in rder fr new _________ t be made. It eches smething the __________ Carl Sagan nce said. He believes that every child “starts ut as a scientist” and every child is __________ with the “sense f wnder and awe”.
cntradictry
Science is simply ________ yu can d. And ding science makes yu a scientist! S, what d scientists d? Actually, what matters is nt nly ________ they bserve in the wrld arund them and what questins they ask, but als ________ they use evidence r data t answer the questins. They identify useful data and take new measurements. Sme f the key issues that scientists face are ________ calculatins they d and ________ they analyse their data t draw cnclusins abut the questins they ask. The final issue, which many believe t be the mst imprtant, is ________ they need t cmmunicate their results. This is ________ they want everyne t benefit frm their wrk! It seems ________ science is all arund us. Yu see, by ding science, scientists get a better understanding f the wrld arund them and share that understanding with the whle wrld.
What new ideas did yu learn abut science and scientists frm this unit?What new vcabulary and structures did yu learn in this unit? Hw well can yu use them? Did yu use any f them in yur language activities?D yu think the “asking questins” strategy was useful in understanding the texts?What prblems did yu r yur friends have with this unit? Hw did yu slve the prblems? What advice did yu give each ther?Overall, I thught this unit was  interesting  useful  s-s  difficult.
1. t have a natural ability t d sth well2. t deal with3. hard r firm4. t thrw sb/sth smewhere with frce5. a persn wh helps sb else in his/her jb6. t think that sb is respnsible fr sth bad7. t becme less in number r amunt8. a weapn that travels thrugh the air and expldes when it reaches its target9. nt mixed with anything10. t change the frm f sth
Cmplete the crsswrd puzzle leadership talent accrding t the clues given.
c a s t
s l i d
d e c r e a s e
t r a n s f r m
p u r e
☆theretical backgrund ☆prfessinal knwledge☆leadership ☆talent☆imaginatin ☆devtin☆determinatin ☆creativity☆lgical reasning ☆inspiratin☆research methds ☆statistical ability
What d yu think a great scientist needs mst? Rank the fllwing in rder f imprtance and cmpare yur list with yur partner’s.
Cmplete the passage with the crrect frms f the wrds belw.
Edwin Pwell Hubble, brn in 1889 in Marshfield, Missuri, spent his early years in the state f Kentucky. Afterwards, he mved with his family t Chicag and attended the University f Chicag, where he studied mathematics and astrnmy and sn prved t be ________ in these subjects. At the Munt Wilsn Observatry, Hubble studied bjects within ur wn galaxy using a ________ with a mirrr f ne hundred and fifty-tw centimetres in diameter. His ________ discvery was the finding f a Cepheid variable star (造父变星) in the uter area f a nebula (星云). He ________ that nebulae were galaxies themselves, and thus, astrnmers nw ________ t the view that distant galaxies d exist. He then made mre bservatins f frty-six galaxies that were travelling away frm Earth with speeds that were ________ directly t the galaxies’ distance frm Earth. Hubble discvered the scientific rule — nw called “Hubble’s Law” — that the farther away a galaxy is, the greater its speed. As ne f the mst imprtant ___________, he devted himself t galaxies, which led t many ___________ discveries in the fields f extragalactic astrnmy and bservatinal csmlgy. Hubble’s effrts led t a(n) ________ in the understanding f hw ur universe wrks and develps.
Prject: Think utside the bx
By the end f this sectin, yu will be able t:1. create an unusual inventin;2. explain hw and why yur inventin is useful;3. imprve yur ability f evaluatin and appreciatin during presenting yur inventin.
Discuss these questins in grups.
• What is the purpse f each inventin?• Why is the inventin unusual?
Chse ne f the inventins, and brainstrm as many reasns as yu can t explain hw and why the inventin is useful.
What is the giant shark-fin fastened arund the gldfish used fr?Since inventins are meant t slve real wrld prblems, what kind f prblem d yu think this inventin is trying t slve?
Fr example, we can take this inventin as an example and brainstrm.
Divide the fllwing tasks within yur grup. Create yur prduct and present it t yur class.
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Sample Answer
As a class, vte n the best prduct/inventin.