Science Education Resource Center at Carleton College
Serc: Conservation of Mass Gum Lab
Students investigate whether or not chewing gum should be considered eating using the law of conservation of mass to reason that the portion lost of the original mass of gum must be swallowed.
Utah Education Network
Uen: Physical Changes
Second graders explore the concept of law of conservation of mass.
The Wonder of Science
The Wonder of Science: Ms Ps1 5: Conservation of Atoms in Reactions
Work samples, phenomena, assessment templates, and videos that directly address standard MS-PS1-5: conservation of atoms in reactions.
Science Education Resource Center at Carleton College
Serc: Blowing Up Balloons, Chemically
Students will understand and apply the Law of Conservation of Matter; balance chemical equations; use the following skills: observing and recording data (observations) and making inferences from observations.
Utah Education Network
Uen: Trb 5:1 Act. 4: Chem. Reactions Borax & Glue, Cream
For this experiment for Grade Five, students develop an understanding that chemical changes in matter do not affect the actual mass of the matter.