Saturday, January 2, 2010

Experiment 2: Shine Your (US) Pennies

In Australia we have 5, 10, 20, 50 cent coins and two
gold coins $1 and $2. For this experiment we needed
US pennies.

1) We prepared 4 bowls with vinegar, water, salt and vinegar,
salt and water.

2) The kids (each did their own experiment) added a penny
to each bowl.

3) We observed after 5, 10 and 15 minutes to discover why
scientists combine certain chemicals.





















Experiment from: Mudpies to Magnets
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