NGSS MS-PS 1-5 Matter-Law of Conservation of Mass
Worksheet. Students will define the law of conservation of mass and explain how chemical equations prove the law of conservation of mass mathematically. Illustrate and write the formula for a balanced equation. Include what kind of atom and the number of each. Discuss the difference between a reactant and a product. Hypothesize why each type of atom has a specific mass, which is the same for all atoms of that type. (Not including isotopes) Evalu