This is a great lab I do with my kids every year! The students use baking soda, vinegar, a flask, and a balloon to show concrete evidence of the Law of Conservation of Mass. With a few inexpensive household materials, the students to observe and manipulate matter and mass through a safe and fun chemical reaction. This zipped file includes:
1. The "I CAN" statement
2. The Law of Conservation of Mass Lab
If you want your students to understand the Law of Conservation of Mass and have fun while doing so, this safe, hands-on lab is for you!