Cultural Corner
2 describe a scientific experiment, using the new words above .
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2. reading
read passage a and finish exercises on page44
questions
1)choose the best title for passagea.
(1).th e different uses of metals
(2). the reaction of metals
(3).the reaction of metals with oxygen
2)which of the metals in the table reacts the most with oxygen and water?
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3)what happens when you heat calcium in oxygen?
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4)which metals react with steam?
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5) does iron have a slow or fast reaction with steam?
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6) does copper react with water?
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7)what can we learn from passage a?
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passage b
scan the passages and answer a question
how many stages are there in a scientific experiment report?
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read passage b and fill in blanks.
aim
apparatus
method
result
conclusion
三、反思總結
describe a simple scientific experiment
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四、當堂檢測
how can you do a scientific experiment successfully?
first, we need to have an_____ and prepare _________ for the experiment before we do the experiment.second, we must use correct________to do the experiment and watch carefully.
then we can get the____and draw a________.
課后練習與提高
design a simple experiment about metal in groups of five:
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