Friday, October 9, 2009

half life stuff

this week, we did a lab on half lives.
we used pennies!
we counted a hundred pennies.
heads represented the decayed atoms and the tails represented the not decayed atoms.
we did three trials.
then today, we graphed it using google docs.
our hw for this weekend is a worksheet about nuclear radiation.
it's a very long worksheet and it's probably going to take me a very long time.
it is going to ruin my weekend!

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