Homework Help: science

Posted by Renee on Tuesday, February 3, 2009 at 3:46pm.

I'm posting this again because the answer I got last time made no sense to me.

Peter looked on his cereal box, he saw that it read 'contains added iron.'
Peter wanted to see the iron in his food.

Peter got out a magnet, and the iron came to the top of the flakes. They were tiny pieces of black.

Why did the iron come to the top of the flakes?

I think that the iron came to the top of the flakes because when iron is attracted to a magnet they are raised up to the surface. I know that, but I need help on the force that pulled them up to the surface, and another question I was stuck on:

Why were the tiny iron pieces black?

Was it because when two elements combine they turn to black from the chemical reaction, because originally Iron the element is grey. But it didn't say a compound, so the iron is an element right? So why are the pieces black :S please help, i'm confused!!

science - JoAnna, Tuesday, February 3, 2009 at 4:04pm
because iron is magnetic so when he put the magnet near the iron it attracted to the magnet,black was just happened to be the color
science - Katie, Tuesday, February 3, 2009 at 4:07pm
I think the it was magnetic force that pulled them up, if I am recalling that correctly, because magnetic force is related to magnets.

Sorry, I don't know how to help you with your second question.

I hope I helped you a little!

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