Unit 5 Understanding ideas A Journey of Discovery ppt课件-（2019）新外研版高中英语选择性必修第一册.pptx

1、Unit 5 Revealing natureLearning Aims:After the class, students cancollect useful expressions about scientific discoveintroduce Darwins journey of discoveryinspire the spirits of exploration,bravery and innoA Journey of DiscoveryChoose the main idea of the passage and give your reasons.a. Darwins int

2、erest in various living things made him a great naturalist.Darwins journey on the Beagle inspired his Theory of Evolution.c. Darwin went on a journey to confirm his theory that humans hadevolved over time.Afer1859in 1835Todayin 1831Para 1efore the journeyWhat can we learn about Charles？Whats more, h

3、e had recently received a letterfrom his father predicting that he would be“ a disgrace to yourself and all your family”.entBesides, he had received a letter from his father,He lefin which his father said that he would not only makewithhimself but also the whole family feel ashamed.uring the journey

4、 The Process of Scientific DiscoveriesNumber them in order15proposea theoryFirst,Then,Later,After4developideas23look formoreevidencethat,Finally,Para2-4uring the journeyDarwin studied_v_ a_ r_ io_ u _s_l_ iv_i_ n_ g_t_ h_ i n_g _s _and _ s_ a_ m _p _l_ e_ s_ o _f_p _l_ a_ n_ t s_a_ n_ d_a _n _i_ mDH

5、o environmentsM_?ODm themPara5-6During the journeypropose a theorydevelopideasOver time, new species of plantIt was not published untiland animals evolved from earli1859 and immediatelyancestors slowly.caused a storm.Today, it is regarded as one ofthe most important works everwritten.It has changed

6、ideas about lifeon Earth forever.What have you learnt about Darwins spiritof scientific exploration? How can this spirithelp you in your life and studies?How do you thinkthe human specieswill evolve in thefuture?Living things,including humans,evolved fromlower forms of life.People believed that all specieshad appeared on Earth at thesame time, and had not changedsince.Write a letter to your parents and introduceDarwins journey of discovery.Why Darwin did not publish his Theory of Evolutionuntil 1859, about twenty years after his discovery？ Do further research and share with us nextclass.