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replacement labs

Deanna Cullen's picture

Greener Replacement Labs and Activities

Tue, 11/19/2013 - 20:40 -- Deanna Cullen

I am a safety conscience science teacher. I am embarrassed about some of the things that I did in my classes early in my career that I did not realize were unsafe. I saw the demonstrations and activities done at professional development venues and assumed that if my mentors were using the activity, it was safe.

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