Lesson 2: What Happens to Mass During a Chemical Reaction? Preview CT-STEM

The Law of Conservation of Matter (Mass)

The law of conservation of mass states that matter (mass) cannot be created or destroyed. Therefore the total mass of the reactants in a chemical reaction must be equal to the total mass of the products. How then is it possible to"lose" weight?

Questions

Please answer the questions below.

Question 6.1

1. If someone loses weight, is that a violation of the law of conservation of mass? Explain why or why not.

Question 6.2

2. Where do you think the matter (mass) goes when a person loses weight?

Notes

These notes will appear on every page in this lesson so feel free to put anything here you'd like to keep track of.