Carbon monoxide is called the "invisible killer." That's because it's a gas that you can't see or smell and it can kill its victims quickly. CPSC's Poster Contest is open to students in grades 6, 7 and 8. Nine of them (3 from each grade) will be chosen to win $250. A grand finalist from the group will receive an additional grand prize of $500.
All the details are right on CPSC's contest page at http://www.challenge.gov/cpsc.
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