73
Lesson 73 of 84 ยท Energy
LessonMagnets: Attract and Repel (Part 3)
What You'll Learn
Magnets have north and south poles. Opposite poles attract and like poles repel. The magnetic field is strongest at the poles and gets weaker with distance.
Key Words
- force
- Newton
Steps
Step 1 โ Read
Read about Energy and write down three key facts.
Step 2 โ Do
Build an electromagnet by wrapping insulated wire around a nail and connecting it to a battery. Test how many paper clips it can pick up. Try adding more wire coils.
Step 3 โ Observe
Look for patterns in your observations.
Step 4 โ Record
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3What happens when like magnetic poles are brought together?
