Unit5StartingoutunderstandingideasReading课件外研版英语八年级下册

Startingout&Understandingideas——ReadingLearningObjectivesVocabularyStartingOutUnderstandingideasHomeworkKeyPoints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：dinosaur，feather，believe，thanksto，amber，piecesofthepast，change，species，nolonger，prove，discover，unknown，ant，belief，awindowonthepast，putmoreeffortinto…，key，unlock，secretsofnature等dinosaur三级词汇/ˈdaɪnəsɔː(r)/n.恐龙重点短语：dinosaurfossils(恐龙化石)例：Scientistshavefoundmanydinosaurfossilsinthisarea.科学家在这个地区发现了许多恐龙化石。feather/ˈfeðə(r)/n.羽毛birdfeather(鸟的羽毛)Thefeatherisverylightandsoft.(羽毛非常轻且柔软。)三级词汇believe三级词汇/bɪˈliːv/v.相信；认为重点短语：believein(相信；信任)Ibelievethathewillcome.(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believein。thanksto含义：多亏；由于例句：Thankstoyourhelp,Ifinishedtheworkontime.(多亏了你的帮助，我按时完成了工作。)amber/ˈæmbə(r)/n.琥珀ambernecklace(琥珀项链)Sheiswearingabeautifulambernecklace.(她戴着一条漂亮的琥珀项链。)三级词汇piecesofthepast过去的碎片；历史的遗迹Example:Theseoldphotosarepiecesofthepast.(这些老照片是过去的碎片。)change/tʃeɪndʒ/v.&n.改变；变化changeone'smind(改变主意)Greatchangeshavetakenplaceinmyhometown.我的家乡发生了巨大的变化。三级词汇species/ˈspiːʃiːz/n.物种；种类endangeredspecies(濒危物种)Pandasareanendangeredspecies.(熊猫是濒危物种。)三级词汇nolongerMeaning:不再Example:Henolongerliveshere.(他不再住在这里了。)prove/pruːv/v.证明；证实重点短语：provetobe(证明是)Heprovedtobeagoodstudent.他证明是个好学生。三级词汇discover/dɪˈskʌvə(r)/v.发现；发觉重点短语：discoveranewstar

(发现一颗新星)三级词汇ColumbusdiscoveredAmericain1492.——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/ˌʌnˈnəʊn/adj.未知的；不出名的unknownnumber(未知数)Theoriginofthiscustomisunknown.这个习俗的起源是未知的。★三级词汇★ant★三级词汇/ænt/n.蚂蚁acolonyofants(一群蚂蚁)Antsareveryhard-workinginsects.蚂蚁是非常勤劳的昆虫。belief/bɪˈliːf/n.信念；相信【短语】religiousbelief(宗教信仰)【例句】HisbeliefinGodisverystrong.(他对上帝的信仰非常坚定。)三级词汇awindowonthepastMeaning:了解过去的窗口Example:Thisolddiaryisawindowonthepast.(这本旧日记是了解过去的窗口。)putmoreeffortinto…含义：在……上投入更多努力例句：Youshouldputmoreeffortintoyourstudies.(你应该在学习上投入更多努力。)key/kiː/n.&adj.钥匙；关键的keypoint(关键点)Thekeytosuccessishardwork.成功的关键是努力工作。三级词汇unlock/ʌnˈlɒk/v.打开；解锁unlockthedoor(开门)Sheusedthekeytounlockthedoor.她用钥匙打开了门。三级词汇UnlockthedoorwithakeysecretsofnatureMeaning:大自然的秘密Example:Scientistsaretryingtodiscoverthesecretsofnature.科学家们正在努力发现大自然的秘密。FreetalkPleaselookatthepictureandthinkaboutthequestion:What

do

you

see

in

the

picture?How

do

you

feel

about

it?Looking

into

nature=Exploring

natureTopics

of

the

unitWhat

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

mathematicianGroup

discussion:What

do

they

have

in

common?They

all

studied

nature.They

are

all

natural

explorers.

Pre-watching:

Whichpartofnaturedoyouthinkthisvideowillexplore?Space/UniverseWhat

secrets

of

nature

are

mentioned

in

the

video?Whatarethey?Whydoscientistsstudythem?StudyingthepastWhatis

it?Whatcanyouseeinit?Is

amber

about

the

future

or

past?AmberAmberisawindowonthepast.Ambercanunlocksecretsofnature.......Whilereading:StructureHowmanysecretsarementionedinthepassage?Whatarethey?Match

those

secrets

with

each

paragraph.The

secret

about

dinosaurs.→

Para.

1-2The

secret

about

flowers.

→

Para.

3The

secret

about

ants.

→

Para.

4Careful

reading：key

informationCareful

readingT:

What

kind

of

animals

often

have

feathers?S:

Birds.feather2.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,natureT:Whatsecretsdoestheambershowus?S:Itshowsus...Ithelpsus...T:Howisambersoimportanttoexploringnature?S:Amberisawindowonthepast,andakeytounlockmoresecretsofnature.RetellthreeamberdiscoveriesandtheirimportancePairwork:RetelltheimportanceofamberThinkandshare:Thewritercallsamber“awindowonthepast”and“akey”.Doyouthinkthesenamesare