During Reading
Student Reading
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Have children read page 4.
Ask: What are the items included in the picture? Why did the author include these pictures in the book?
Have children read pages 5–8.
Ask: What is magnetism? What metal is used to make magnets? What is in the picture on page 6?
Have someone draw a picture of a bar magnet on the blackboard, marked with north and south poles.
Ask: Where is the force the strongest? The weakest? What does the word attract mean? What does the word repel mean? What happens if the north pole of one magnet is placed by the north pole of another magnet? What happens if you put the north pole of one magnet by the south pole of another magnet?
Have children read page 9.
Try the experiment according to the text directions.
Ask: Were you surprised at what happened? Do you think if we tried it with two different magnets the same thing would happen?
If possible repeat the experiment with other sets of magnets
Have children read pages 10-11
Have someone draw a bar magnet with the lines of force and the north and south pole.
Ask: Where is the strongest force? The weakest?
Have someone draw a second bar magnet on the board with more lines of force that are farther spread out to represent a stronger magnet.
Ask: What causes the magnet to be stronger?
Have someone add additional lines of force to the drawing.
Ask: According to the book, how could we see the invisible magnetic field?
If possible, obtain iron fillings and a magnet to replicate the illustration shown on page 11.
Ask: What is causing the iron bits to form this pattern? Do you think this pattern happens with every magnet?
If possible, repeat the experiment with a different magnet.
Have children read page 12.
Try the experiment according to the text directions.
Ask: What do you think we could do with a very, very strong magnetic force? Why would it be useful to pick up large things like a car?
Have children read pages 13–14.
Ask: What happens when a wire is passed though a magnet’s lines of force? What is an electromagnet?
Have children read page 16.
Try the experiment according to the text directions.
Ask: What happens if we disconnect the wire from the battery?
What is the advantage of an electromagnet?
Have children read pages 17–21.
Ask: How does a compass work?
If possible, bring a functional compass and have children walk to various places in the classroom or
playground. Have them report on what they discovered.
Ask: What causes the needle of the compass to move? What direction does the needle move?
If we wanted more information about compasses where could we find it?
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