The Conservation of Matter During Physical and Chemical Changes
https://www.nationalgeographic.org/article/conservation-matter-during-physical-and-chemical-changes/
WebOct 19, 2023 · ARTICLE. leveled. The Conservation of Matter During Physical and Chemical Changes. Matter makes up all visible objects in the universe, and it can be neither created nor destroyed. Grades. 3 - 12. Subjects. Chemistry, Conservation, Earth …
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