NOTE: Those these are indicated for 5th grade, they align with both 5th grade and 8th grade AzSS standards.

Through exploring melting, dissolving, and chemical change, students discover that mass is conserved during all these processes.

 Lesson 4.1 - Conservation of Mass image

Lesson 4.1 – Conservation of Mass

Students measure the mass of substances before and after melting, dissolving, and a chemical change to investigate the question: Is mass conserved during physical and chemical changes?

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