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Question 1
1.
Rubbing a piece of wood with sandpaper can cause the wood to–
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Question 2
2.
A chocolate bar will melt if it is placed in which of the following?
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Question 3
3.
What property of iron makes it good for making cars?
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Question 4
4.
When the paper was folded as shown below, what physical property of the paper changed?
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Question 5
5.
Which part of the pencil should be made of material that is dark and rubs off easily?