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 Printable Version
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Title - North and south poles on magnets
By - Scott Dan
Subject - Science
Grade Level - 1st - 2nd
Magnets: "North and South Poles"
Materials:
1. 36 doughnut shaped magnets
2. 36 red and 36 blue dot stickers
3. 12 new pencils
4. 100 ¾" magnetic buttons
5. 12 magnetic wands
6. 40 magnet balls
Preparation:
1. Apply the red and blue dots to the 36 doughnut shaped magnets, making sure that all the south poles are one color and the north another
Procedure:
1. Group the children into 4's.
2. Provide each group of children with one pencil and 4 doughnut shaped magnets
3. Ask the children to place the magnets on the pencil in such a way that the magnets are not touching each other, they are not touching the magnets and nothing else is touching the magnets (besides the pencil). Ask them to raise their hands when their group has finished. When a group has finished, ask that group some questions.
a.) Why does this happen?
b.) Will it happen off the pencil?
4. Allow for as much time as needed until every group is done (up to 10-15 minutes, then stop regardless).
5. Ask the groups to share what they have learned.
6. How did your group arrange the magnets so that they would repel away from each other. You can refer to the colored dots on the magnet if it is helpful.
7. Explain that sometimes magnets attract, or come together and sometimes they repel, or push apart. What are your magnets doing now? What are they doing when you place them onto another magnetic metal?
8. Please make your magnets attract to each other. Please make your magnets repel from each other.
9. Explain that every magnet has two parts, a north pole and a south pole. Lets say that the blue side is the north and the south part is red (draw on board). What happens when we put the north side against the south side? (Let them try this at their desks) North side against north side? South side against south side? What does this mean? (opposites attract, listen to all other comments)
10. Supply each group with one magnet wand, 4 ¾" magnetic buttons and 6 magnetic balls.
11. Ask each group to make the magnets repel and attract from each other. Also ask if they can identify the north and south poles. Allow 10 minutes of exploration time.
12. Ask each group to pick one magnet (either the wand or the buttons) and to demonstrate which side is the north and which side is the south.
13. Ask the question, "Do any of you hang your school work on the refrigerator?" "What do you use to do this?" "If your refrigerator was a blue dot or was the north end of the magnet, what side of the other magnet would face the refrigerator? "How do you know?"
14. To conclude the lesson, ask them to get out their journals and to write down what they have learned.
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