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Coins are everyday objects which tell a lot about the people who use them.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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Learners investigate an iron-fortified cereal by stirring it with a strong magnet. They discover that metallic iron is present in some cereals.

$1 - $5 per student Ages 6 - 14 5 to 10 minutes
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In this activity about chemistry and electricity, learners form a battery by placing their hands onto plates of different metals.

$5 - $10 per group Ages 6 - 14 10 to 30 minutes