A Grabbing Subject

1
A Grabbing Subject

• MAGNETS!

2
Vocabulary

• Electromagnet
• Repel
• Circuit
• Magnetic Pole
• Metal

3
What are magnets?

• What do they look like?
• Shape?
• Color?
• Size?
• What are they made of?

4
Where are magnets?

• Where do they come from?
• Where do we use them?

5
How do magnets work?

• Ideas?
• Observe

6
Magnets and Electricity

• What do we know about electricity?
• (What does it do, what does it look like, where
  is it?)

7
Electromagnetism

• An electric current passed around metal will make
  it a magnet
• A magnet that gets passed through a coil of wires
  will also make electricity!

8
The Big Question

• Why are electromagnets useful?

9
Review

• What does CIRCUIT mean?
• What are magnets made of?
• What is an electromagnet?

• How many POLES does a magnet have?
• Where does electricity come from?

10
Bibliography

• http//www.coolmagnetman.com/magelect.htm
• http//www.gcsechemistry.com/
• http//www.cde.ca.gov/be/st/ss/scgrade4.asp