幻灯片 1
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幻灯片 21
2
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幻灯片 3Match
Task 1: Put these words into three groups
air glass iron metal oil oxygen
salt steam steel water
1 Gas: steam ______ _______
2 Solid:______ _______ _______
_______ _______
3 Liquid:________ __________
air
oxygenzx xk
water
glass
iron
metal
salt
steel
oil
2
Please read
the words loudly.
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幻灯片 4
potassium
sodium
calcium
magnesium
aluminium
zinc
iron
copper
Task 2:Match names of metals to pictures
Task 3: Say something about these metals according to passage A
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幻灯片 5----
幻灯片 6
Module 5
Reading and Writing
Passage B
A Simple Scientific
Experiment
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幻灯片 7A Simple Scientific Experiment
1. __________:_____________________________
2. __________:_____________________________
3. __________:...
(1)…
(2)…
(3)…
4. __________:…
5. __________:…
B.aim
D.method
A.result
C.conclusion
E.apparatus
3 clean iron nails; test tubes; test tube holder;
cotton wool; oil; Bunsen burner
Task 1: Put the stages in the correct order
To find out if iron rusts (a)…(b)…(c)…
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幻灯片 8
cotton wool
nails
water
water
water
The nails haven’t rusted.
The nails do
not rust.
The nails rust.
Task: Listen to the audio, following it to read, and then fill in the table.
Iron doesn’t rust
in dry air.
Iron doesn’t rust
in air-free air.
Iron rusts in ordinary air.
Conclusion
zx xk
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幻灯片 9 In the first part of the experiment, the ____is dry. It shows that iron ____________when the air is dry.
In the second part of the experiment, you must _______ the water to make sure there is no_____ in it. You add ________ to the water because this keeps _____ out of it.
In the third part, half-fill the tube with water. It shows that _______ doesn’t rust in water that has no ______ in it.
air
doesn’t rust
boil
air
some oil
air
nail
air
Task 1: Close your books and fill in the blanks.
Task 2: Try to retell it.
备注：
make sure
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幻灯片 10
Turn to page 95 and finish activity 13-15.
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幻灯片 11Task1:Put the stages in the correct order.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
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幻灯片 12squeeze …pour…
in a container
dip…
write…
blow…to…
light …
heat…
…appear
Task 2:Listen and check your answer
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幻灯片 13
Task 3
Work in groups to discuss and write an experiment report of activity 13. zx x k
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幻灯片 14write a secret message with invisible ink.
a lemon, a small container, a pen, some
white writing paper, a candle and some matches.
the lemon and pour the juice into a container.
dip it into the lemon juice.
your message in lager letters on a clean sheet of
white writing paper.
blow on the paper to dry the lemon juice.
light a candle with the matches.
hold the paper near the candle flame.
will gradually appear on the paper. The word are a light brown color.
the lemon
juice reacts with oxygen in the air.
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幻灯片 15 你知道实验室有哪些规则吗？
请点击观赏
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幻灯片 16 1.Finish activity 8 on page 93.
2.Please do the experiment by yourselves.
How to write an
experiment report?
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幻灯片 17
Thank You! Bye-bye!
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