Lesson 11 of 84 · Magnets
Experiment⭐ 30 XP⚡ Spark LabMagnets: Attract and Repel
Magnets: Attract and Repel.
🎯 Your mission
Predict it first. Then prove yourself right (or wrong).
⚡ The twist
The opposite of what you expect is often what happens.
Mind = Blown
🔥 A bolt of lightning is 5 times hotter than the surface of the sun.
Make a hypothesis first
Predict: what happens if you double the force?
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
- energy
- kinetic
Materials Needed
- ruler
- cardboard
- marbles
- paper clips
- rubber bands
Safety First
- Tie back long hair before starting the experiment.
- Protect your work surface with newspaper or plastic.
Steps
Read about Magnets and write down three key facts.
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.
Look for patterns in your observations.
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3What happens when like magnetic poles are brought together?
Where you see this in real life
This is why airplanes can fly and why rockets reach space.
Stretch Challenge
Try this in real life this week.
This week, find one thing in your house that turns one kind of energy into another.
For the dinner table
“Show me something at home that uses this kind of energy.”
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