高中英语Module 5 A Lesson in a Lab课件

√B. copper
C. potassium
D. all metals
3.According to the passage ， it can be
inferred that
will have less use in
making kitchen tools.
√
II. Read the passage B and fill in the table.
2.What should be included in a description of an experiment according to Passage B? (1)__________ (2) ___________(3)___________ (4)___________(5)___________
experiment according to Passage B? (1)___A_i_m_____ (2) _A__p_p_a_r_a_t_u_s_(3)__M__e_t_h_o_d___ (4)__R_e_s_u_l_t____(5)_C_o_n__cl_u_s_io_n__
Careful-reading
A. how iron reacts with air B. iron is quite easy to rust C. how to prevent iron from rusting
√D. how iron reacts with air and with water
2.“Air-free water〞 means . with a lot of water without water with a lot of air
3. To learn some useful words and expressions in the passage.
4. To own some good qualities of doing an experiment successfully.
New words studying:
carrmlaeecsplaacoiauzuooccdgimtmttpninaiupocisnmsnvesniiir.uuu.钙n.n反锌nmmm..反.钠铜响nnn响...镁铝钾
cottonபைடு நூலகம்wool water water
nails
Iron does not rust
Iron does not rust
water
Iron rusts
Ⅲ.Choose the best answer according to Passage B. 1.The experiment shows us .
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Skimming (Fast reading)
have strong awareness about safety
同……发生反响 react … with 把……按顺序排列 put … in order 把某物加到其他物质中 add sth. to sth. else 防止某物进入其他物质 keep sth. out of sth.
Read the passage again and review the new words and expressions. Do exercises10-11 on page93 and94.
1. Read the passage A and choose the best title for it. The Different Uses of Metals The Reaction of Metals The Reaction of Metals with Oxygen
2.What should be included in a description of an
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Careful-reading
Ⅰ.Choose the best answer according to Passage A.
In the second part of the experiment，you must boil the watetro 6m. a_k_e_____(make) sure there is no air in it. You add some oil to the wabteerca7u. _se______ this keeps air out of it. It also shows that iron doesn’t rust iwnitwhaotuetr 8. _______ air inHito.wever
If you want to do an experiment successfully, what good qualities do you think you should have? (We should…) do experiments with a sincere attitude/
strictly follow the teacher’s instructions/
9. _______，the nails rust in the tube withhoorwdinary water in the third part of the experiment. That is 10.______iron reacts with air-free water and with
Skimming (Fast reading)
1. Read the passage A and choose the best title for it. The Different Uses of Metals The Reaction of Metals The Reaction of Metals with Oxygen
1.Which of the following metals reacts the most
with water?
A. Copper. C. Aluminium.
B. Iron.
√D. Sodium.
2.When heated in oxygen， will react partially.
A. zinc
Btcueosnt本ttts试oetesu生n试nt管bwbt灯管eu夹uohboroenlle棉drer
Lead in Appreciation of a clip about an interesting experiment
What can you see in these pictures?
√without air
3.If some clean iron nails are put in a damp〔潮 湿的〕 place for a week，the nails will .
√
rust an oxide the place dry
Step 3 Post-reading After reading the text，please fill in the following blanks.
Different metals have different uses. When we use metals, it is important 1._to__k_n_o_w_(know) how they react with different substances. The 2. _r_e_a_c_ti_o_n(react) of metals with these substances can 3. b__e_p_u_t__(put) in order.From the table ， we can find that potassium reacts most with oxygen and water 4. _w__h_il_e__ copper doesn’t react with water. When we heat calcium in oxygen，it burns 5. _t_o_f_o_r_m_(form) an oxide.
外研版 高一年级 (必修1)
Module 5
Module 5 A Lesson in a Lab
1. To understand the two passages about scientific experiments.
2. To summarize〔总结〕 the main stages of describing experiments.