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2018年秋外研版高中英语必修一课件:M5 Listening and Writing (共24张PPT)_图文

Module 5 A Lesson in a Lab
P5 Listening and Writing

Listen and complete the description of the scientific experiment.
Aim: _t_o_f_in_d_o_u_t_i_f_th_e_r_e_’__s_a__c_h_an_g_e__in__w_e_ig_h_t_w__h_e_n
_Am_pa_pg_Yan_ore_asu_ti_uuw_msi_:llb__Mhu__ar_e_ng_a_sn_r_ei__ans__iacu__iom_r_n__, _vB__e_u_r_ns__sa__et_n_i_o_b_n_u__ri__nn__ew_r_,__ha__i_cb__ha_l__aa__n__c__e_,__ _a_c_r_ut_ec_iab_cl_eh_e_r_h_e_l_p_s_a__s_t_u_d_e_n_t_d_o__a_n__e_x_p_e_ri_m__e_n_t.__
Method:F_ir_s_t,_p_u_t_t_h_e_m__a_g_n_e_si_u_m__in__th_e__c_ru_c_i_b_le_._T_h_en _p_u_t t_h_e_c_r_u_c_ib_l_e_o_n__th_e_b__al_a_n_c_e_a_n_d_w__e_ig_h__it_. N__e_xt_,_h_e_at _th_e_m__a_g_n_e_s_iu_m__. L_i_g_h_t_th_e__B_u_n_s_e_n_b_u_r_n_e_r_a_n_d_h_o_l_d_t_h_e _cr_u_c_ib_l_e_o_v_e_r_i_t._F_in_a_l_ly_,_w_e_i_g_h_t_h_e_m_a_g_n_e_s_i_u_m_.______ Result: _It_w__ei_g_h_s_a__li_tt_le_m__o_r_e_th_a_n__b_e_fo_r_e_. ________ Conclusion: _T_h_e_r_e_is__a_c_h_a_n_g_e_i_n_w_e_i_g_h_t_w_h_e_n_____ _m_a_g_n_e_s_i_u_m_b_u_r_n_s_i_n_a_i_r._______________________

Listen again and fill in the blanks.
Mr C=Mr Chen, ZK=Zhou Kai,
LK=Li Kang Mr C: OK, boys and girls, we’re going
to do an experiment. Come _a_ b_i_t_ closer. _T_h_e_ _c_lo_s_e_r_ you are, _th__e _m__o_re_ you’ll see! That’s right! Now, what’s the aim of this experiment, Zhou Kai?

Z.K: We want to _fi_n_d_ _o_u_t if there’s a change in weight when magnesium burns _in_ a_i_r_.
Mr C: That’s right. So what do wene_e_d___ _fi_r_s_t ?
ZK: Um… We need some magnesium. How much do we need? What about this piece? Is this piece OK?

Mr C: No, we need _r_a_th__er_ more than
that—about two and a half grams.
We need a piece which is m__u_c_h_
_b_i_g_g_er__ than that. ZK: OK… And we need a _b_u_n_s_e_n_
_b_u_r_n_e_r_ … _a_ b_a_l_a_n_c_e… and _a_ _c_ru__ci_b_l_e to put the metal in … Here they all are … Where do we _g_o_ _fr_o_m__ h_e_r_e_?

Mr C: Well, _f_ir_s_t, put the magnesium in
the crucible. _T_h_e_n_ put the crucible on the balance and weigh it.
ZK: OK… Mr C: How much does it w__e_ig_h_? Take a
look, everyone. Is it any heavier? ZK: Um… It weighs t_w_o_ _a_n_d_ _a_ _h_a_lf_
grams. Do you want me to write that down?

Mr C: Yes, write it down. ____ _____? ZK: Yes… Um, next, weW’hraet gnoeinxgt to heat the magnesium. So I light the
Bunsen burner. _____ _____, I
hold the crucibleAovfteerritt…hatOh look, it’s burning with a white light! It’s
getting b__ri_g_h_t_e_r a_n__d_b_r_i_g_h_t_er__! Mr C: It’s pretty, isn’Kt?e_e_p__th_e__n_oise
__d_o_w_n _____, boys and girls, please.

ZK: Um…_l_a_st_l_y, we need to weigh the magnesium again… It weighs four grams now.
Mr C: So what does that tell you? ZK: It weighs _a_ _li_t_tl_e_ more than before.
Mr C: How much more? ZK: 1_._5_ grams more.
Mr C: And what does that mean?

ZK: It means that there is _a_ c_h_a_n__g_e
in weight when magnesium
burns in air. Mr C: _Y_o_u_’__v_e__g_ot___! Well done! So now,
liett’s do the same experiment with copper. _C_o_m__e_a_l_o_n_g_. Li Kang, _i_t’__s__y_o_u_r_____ now. What do you tthuirnnk will happen if you _h_e_a_t_ c_o_p_p_e_r_? LK: I think it’ll be a lot heavier than
magnesium. Shall I begin?
Mr C: Yes, _g_o_ _a_h_e_a__d!

GUIDED WRITING
【写作任务】 本次写作任务是写一堂实验课或与实验 相关的文章。 【写作内容】 以下是一堂化学小实验的相关信息。请 用英语写一篇短文,简要描述这次实验。

实验目的 观察油和水能否混合

实验仪器 小玻璃瓶

实验物质 菜籽油、洗衣粉

(1) 向一个小玻璃瓶分别倒入一些清水和 (2) 一些植物油,油会漂浮在水面上;(2)


(3) 手摇晃玻璃瓶,静置一会儿,油和水

实验过程

仍 (4) 旧不能混合;(3) 再往小玻璃瓶里加

一点

(5) 洗衣粉,然后充分摇晃瓶子,再观察

注意:

发 (6) 现油和水混合在一起了。

1实. 词验数结:论10放0入左洗右衣;粉2.后可油适和当水增能加快细速节混,合以使行文

连动实贯手验;能意3力.义参h培考an养词d动s汇-o手:n能a洗b力i衣li,t粉y丰w富a科sh学in知g p识ow。der;

【写作步骤】 一、词语储备
A: conclusion, dissolve, scientific, happen,
float, experiment, purpose, mix, mixture,
pour, shake, description, enrich, develop B: 1. add…to… 往……加入…… 2. find out 弄清楚 3. draw a conclusion 得出结论 4. leave sth aside 静置 5. in my view 依我之见 6. not only…but also… 不但……而且……

二、备用句型罗列 1. 下面是一个简单小实验的描述,目的是 观察油和水能否混合。
— Below is a description of a simple experiment, designed to see whether oil and water will mix. —_B__el_o_w__is__a_d_e_s_c_r_ip_t_i_o_n_o_f_a__s_im__p_l_e_____ _e_x_p_e_r_i_m_e_n_t_, _w_h_o_s_e__p_u_r_p_o_s_e_i_s _to__s_e_e_____ _w__h_e_th_e_r__o_il_a_n_d__w_a_t_e_r_w__il_l_m__ix_._________ (使用whose引导的定语从句)

2. 向一个小玻璃瓶中倒入半瓶清水,再加 入一些植物油,发现油漂浮在水面上。
— Pouring some water and some vegetable oil into a small glass bottle, we can see the oil floating on the water. —_P_o_u_r__s_o_m_e__w_a_t_e_r_a_n_d__so_m__e__v_eg_e_t_a_b_l_e__ _o_i_l _in_t_o__a_s_m__a_ll_g_l_a_ss__b_o_t_tl_e_a_n_d__w_e__c_a_n___ _s_e_e_t_h_e_o_i_l_f_lo_a_t_in__g_o_n__th_e__w_a_t_e_r._________ (使用祈使句+ and+一般陈述句)

3. 用手摇晃玻璃瓶,静置一会儿,油和 水仍旧不能混合。
— Shake the glass bottle and leave it
aside for a while. But it turns out that oil and water still don’t mix.
—A__ft_e_r_s_h_a_k_i_n_g_t_h_e__g_la_s_s_b_o_t_t_le__a_n_d_____ _le_a_v_i_n_g__it_a_s_i_d_e_f_o_r_a__w_h_i_le_,_w__e_c_a_n_f_i_n_d__ _o_u_t_o_i_l _a_n_d__w_a_t_e_r_s_ti_ll_d__o_n_’__t_m__ix_.______ (使用after + doing结构)

4. 再往小玻璃瓶里加一点洗衣粉,然后充 分摇晃瓶子,再观察发现油和水混合在一 起了。
— Add some washing powder to the glass bottle and shake it fully and we can see a surprising thing that oil and water mix together. —_A_d_d__s_o_m_e__w_a_s_h_i_n_g_p_o_w__d_e_r_t_o_t_h_e_____ _b_o_t_tl_e_a_n_d__t_h_e_n_s_h_a_k_e__it_f_u_l_ly_,_a_f_te_r__w_h_i_c_h _w_e__c_a_n_s_e_e_a__su__rp__ri_s_in_g__t_h_in_g__t_h_a_t_o_il_a_n__d _w_a_t_e_r_m__ix__t_o_g_et_h_e_r_. ___________________ (使用after + which的定语从句)

5. 我们得出结论:放入洗衣粉后油和水能 够混合。
— We can draw a conclusion that oil and water will mix together after washing powder is put into them. —W__e__c_a_n_c_o_n_c_l_u_d_e_t_h_a_t_o_i_l _a_n_d__w_a_t_e_r___ _w_i_ll_m__ix__to_g_e_t_h_e_r_a_f_t_e_r_w_a_s_h_i_n_g_p__o_w_d_e_r__ _is_p_u__t _in_t_o__th_e_m__._____________________ (使用宾语从句)

6. 做实验能培养我们的动手能力,而且还 能丰富我们的科学知识。
— Not only can doing experiments develop our hands-on ability but also enrich our knowledge. —_D_o_i_n_g_e_x_p_e_r_i_m_e_n_t_s_c_a_n__d_e_v_e_lo_p__o_u_r___ _h_a_n_d_s_-_o_n__a_b_il_it_y_b__u_t _a_ls_o__it_c_a_n__e_n_r_ic_h___ _o_u_r__k_n_o_w_l_e_d_g_e_. _____________________ (使用并列句)

三、 统筹安排 Outline of the text: Paragraph 1: To bring in the experiment Paragraph 2: To describe the experiment in detail Paragraph 3: To state your opinion of doing experiments

四、扩充要点, 连词成句。 任务A:从文中括号内选择适当的词填入 空格;
任务B:将下列选项填入文中适当的位置。 ① oil and water mix together ② oil and water still don’t mix ③ shake the glass bottle and leave it aside
for a while ④ develop our hands-on ability

Below is a description of a simple experiment, _w_h_o_s_e_ (whose/which) purpose is to find out whether oil and water will mix.
First, pour some water into a small glass bottle
aftlunordantassdooduntstothhmeaewt va_et_eg_②re._tSa_be_c_leo. nNodiel,.x_At_,s_a_wd_de③__csao_nm__se_e_we_,a.tshBheuinotgiilt
powder to the glass bottle and shake it fully, after _w_h_i_ch_ (which/what) we can see a surprising thing
that ____①_____. Finally, we can draw a conclusion
that oil and water will mix together with washing powder _m_i_x_e_d_(mixed/mixing) with them.
In my view, doing experiments can not only
_____④________but also enrich our scientific
knowledge.

1. Do the listening exercises in Learning English. 2. Finish the exercises on Page 46&47.


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