Oversight of classroom science experiments thin in Minnesota

Minnesota has no state guidelines governing classroom science experiments. A teacher's association has issued recommendations, but following them is purely voluntary. This month's accident that burned four Maple Grove students may lead to more scrutiny.
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Minnesota has no state guidelines governing classroom science experiments. A teacher's association has issued recommendations, but following them is purely voluntary. This month's accident that burned four Maple Grove students may lead to more scrutiny.

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