Mrs. Mertz 7th grade Science
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Agenda
CSI
Characteristics of Chemical Reactions
Changes In Energy on A Molecular Level
Structure of Matter
Tech Ed
Ecology
MSE Citizenship Guidelines
NGSS Standards
Safety, equipment, Sci method
How to contact me
Earth history/changes slow & rapid
Video Links
New Page
Law of Conservation of Mass
The Law of Conservation of Mass: Matter cannot be created or destroyed. The atoms just link of differently and create different molecules and compounds. The mass stays the same.