四川省成都市20xx-20xx學年高中英語 module5 a lesson in a lab reading課件 外研版必修1-預覽頁
【正文】 to form an oxide. Magnesium, aluminium and zinc It has a slow reaction. No, it doesn’t. liquid, expand, contract, substance, mixture, react, burn, oxide, sodium We are living in a world made of different kinds of _____________. Some of them exist in the form of solid, some in the form of _________ and some gas. Some belongs to the metal family such as calcium, zinc and _________. Most of these substances can _________ with water and can rust(生銹 ) after being put in water for some time. When metals are _____________ in the air you will find some ____________ is produced. Also metals ____________ when it is very hot and __________ when it is rather cold. Finally, if you put different substances together, a ______________ is formed. How interesting it is! substances liquid sodium react burnt oxide expand contract mixture ?Mg ?Fe ?Ca ?Al ?Cu ?Zn ?Na ?K ? Magnesium ? Iron ? Calcium ? Aluminium ? Copper ? Zinc ? Sodium ? Potassium What can you see in the picture? I can see a lab. What apparatus(儀器 ) do we see in the lab? [,
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