外研版英语必修1 module5.ppt

* * * * * * * 1.What color does the liquid turn when it is poured into a cup? Green Chemistry lab 2 2.Where does this experiment happen? 1.Three quarters of the water (drink) by the dog. 2.One third of the population in this city (be) workers is drunk are 4,444,444 four million, four hundred and forty-four thousand, four hundred and forty-four 1/4 3/8 eighty-three point three three thirty-seven point five percent a quarter/a fourth three –eighths 83.33 37.5% P43 2.Winter is four times colder in Harbin than in Beijing.(as cold in Harbin as in Beijing) 3.Mount Qumolangma is about six times as high as… 4.MY aunt’s house is twice larger than… 5.Tom weighs over twice as heavy as…… Magnesium Vocabulary: Potassium Sodium Aluminium Calcium Zinc Iron Copper Test tube Test tube holder Bunsen burner 1.Listen to the tape and guess the best title. 2.Fast reading: Read the passage quickly and find the topic sentence and choose the best title The topic sentence is:___________________________ ___________________________ ___________________________ ___________________________ 2) The best title is ____________________. Passage A When we use metals, it is important to know how they react with different substances, for example, water and oxygen The Reaction of Metals The topic sentence is the main sentence of a paragraph, which describes its content and direction. Passage A Table reading: 1.Potassium,calcium and sodium. 2.It burns to form an oxide. 3.Magnesium,aluminium and zinc. 4.It has a slow reaction. 5. No, it doesn’t. Tips: Remember how to answer a question correctly, sometimes you use a noun or noun phrase, Sometimes you have to use a sentence. The correct order to describe the stages of a scientific experiment should be: Aim conclusion result method Iron ______in _______