'Collect goggles' diaporamas de présentation

Collect goggles, Bunsen, mat, gauze, tripod, stopwatch and beaker.

Collect goggles, Bunsen, mat, gauze, tripod, stopwatch and beaker. Put on the goggles and check your hair and clothing for safety. Set the heating apparatus up safely but do not light the Bunsen. Put some ice into the beaker. Describe what you can see in the beaker in your book.

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