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Physical Science Rocks

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    Let's see how well your team does.
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  • Human-harnessed electricity is another name for _________ electricity.
    current
  •  15
  • A mixture is made by combining sand and iron filings. What could you use to separate the iron filings from the sand? 
    magnet
  •  15
  • Where is the magnetic field the strongest on a magnet?
    at the ends or the poles
  •  15
  • Maggie is making pancakes. How do the pancakes change as they are cooked? Is this a physical change or a chemical change?
    Chemical change
  •  15