If matter can be neither created nor destroyed, how does the universe continue to grow?

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Chemistry Lab: Conservation Of Mass. PURPOSE: To determine experimentally whether mass is conserved in a particular set of chemical reactions. $

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In this lab students will use alka seltzer to understand the law of conservation of mass. I use this lab before I teach the law so students can discover it on their own. Materials needed: triple beam balances or electronic scale, graduated cylinder, ziploc bags, plastic cup, water, and alka seltzer tablets.

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Melting Ice, and The Law of Conservation of Mass - Winter Science for Children from Almost Unschoolers

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This Introduction to Balancing Chemical Equations worksheet was designed for middle and high school students just learning about balancing chemical equations and the Law of Conservation of Mass. This double-sided worksheet features a helpful overview at the top, which students can refer back to while they’re working if they need help. There are 10 chemical equations for students to balance, each with a helpful chart for counting up the number of atoms. $

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This is a great activity using Legos to build chemical equations (Lego Blocks and triple beam balances not included). You could also substitute gummy bears, etc.The second part of the lab uses a piece of alka seltzer, water and ziploc baggies to demonstrate the law of conservation of mass (matter)

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Enhance your chemistry interactive notebook (INB) with the Conservation of Mass for Chemistry Interactive Notebooks and Lapbooks. The product includes student notes and interactive graphic organizers (IGOs).

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