A few days ago
Johnny C

Explain how matter can change physical or chemical forms, but the total amount of matter remains constant?

I teach middle school and am looking for a great hands on activity to illuminate this concept.

Thanks!

Top 1 Answers
A few days ago
trkbuilderman

Favorite Answer

The easiest and cheapest way I know is the ice cube . The water will weigh the same as the ice cube . 2 different forms one liquid one solid . Hope this helps
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