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Experiment: Test whether a food is high in iron.

Iron is one of the most needed minerals for the body, so it should be entered via food.

The consequences of iron deficiency in the body's weakened immune system and increased heart rate.  

Cereals, those who eat in the morning, contain iron. Normally we do not see, but you can see if you 

do this trick.

In a plastic bag Pour cereal and fill it with water. Allow to stand for about an hour. Then put a magnet  

on the bag and wait for the iron to fit. Worth a try!

http://www.youtube.com/watch?v=pRK15XSqtAw