2. Use the following ideas to guide your thinking: Like poles of a magnet repel. Unlike poles of a magnet attract each other.

3. Poles N S Bar Magnet

4. Make a prediction: What happens when the two unlike poles are brought together? N S

5. SS Make a prediction: What happens when the two LIKE poles are brought together?

6. Place five to ten straws on the desk top. Line them up like the steps on a ladder. On top of the straws place one bar magnet. Take the second bar magnet and hold it near the end of the magnet on the straws. Predict what will happen when:

7. Which idea is represented here: “Like poles repel” or “Unlike poles attract?”

8. Which idea is represented here: “Like poles repel” or “Unlike poles attract?”

9. What happens when you place the unlike poles of ring magnets together?