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Question 1 of 4
1. Question
1. Fill in the blanks with the appropriate word(s).
Study the arrangement of the magnets below. Deduce the pole of the U-shaped magnet.
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(a) The like poles of two magnets will each other while unlike poles will each other.
(b) The pole of the U-shaped magnet is .
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Question 2 of 4
2. Question
2. Four U-shaped magnets of the same size are hung on strings. The strings are two different lengths as shown in the diagram below. An aluminium tray of thumbtacks is placed below the magnets and the number of thumbtacks attracted to the magnets are recorded.
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(a) Which magnet is the strongest?
Magnet is the strongest.
(b) How did you deduce that this magnet in (a) is the strongest?
Magnet is hung from the tray of thumbtacks and yet it is able to attract the thumbtacks.
(c) Which magnet is the weakest?
Magnet is the weakest.
(d) Why is it hard to compare the strengths of magnets A and D?
Magnets and are at distances from the thumbtacks and thus, they attract a different number of thumbtacks.
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Question 3 of 4
3. Question
3. Natalie tested the ability of magnet X to attract the object listed in the box below. She found that magnet X could only attract three of the items.
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(a) Do you consider the items attracted to magnet X to be magnets or magnetic materials.
I would consider them to be
(b) Which of the items in the table above were attracted to magnet X?
The , the and the were attracted to magnet X.
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Question 4 of 4
4. Question
4. Roger was seen hammering a magnet.
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(a) What would happen to the magnet?
The magnet would its strength.
(b) Write down two other things Roger could do to achieve the same effect as hammering the magnet.
He could the magnet over a or the magnet repeatedly.
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