Magnets!
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Magnets! Magnets! Science SOL 2.2 Science SOL 2.2 Created by cmy@2008 Created by cmy@2008
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Magnets!. Science SOL 2.2 Created by cmy@2008. What are Magnets?. What are magnets?. Force that can push or pull things. What attracts a magnet?. Certain metals like iron or nickel or cobalt Lodestone or magnetite. How can you make a magnet?. Use a strong magnet - PowerPoint PPT Presentation
Transcript of Magnets!
Magnets!Magnets!
Science SOL 2.2Science SOL 2.2Created by cmy@2008Created by cmy@2008
What are Magnets?What are Magnets?
What are magnets?What are magnets?
• Force that can push or pull things
What attracts a magnet?What attracts a magnet?
• Certain metals like iron or nickel or cobalt
• Lodestone or magnetite
How can you make a magnet?How can you make a magnet?
• Use a strong magnet
• Rub against something like a needle or pin many times
What are poles?What are poles?
• Every magnet has a pole
• North
• South
• Ends of magnets
Attract and RepelAttract and Repel
Attract and RepelAttract and Repel
• Like poles repel
• Unlike poles attract
How does a compass work?How does a compass work?
• Poles line up with the Earth’s poles
• Magnetized needle will point north
• Experiment: bowl of water, cap, magnetized needle
How do we use magnets?How do we use magnets?
• Help us do work• Pick up things that
drop• Hold notes• Hold metal objects
• Compass• Motors
(electromagnet)• Telephones• Toys
