Sixth graders investigate the decomposing ability of microorganisms by constructing a decomposition chamber and observing/recording the changes that take place in one month.
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Composting: A Scientific Investigation: California Academy of Sciences
Garbage, recycle, compost: Does it really matter where we put our trash once we are done? By making detailed observations over seven weeks, kids will see which materials break down naturally to become a healthy part of the soil, and...
2nd - 8th Science