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Chemical Reactions and Mass Conservation

6th Grade · Science · Open Global Science

9 lessons

Goal

Differentiate physical changes from chemical reactions, identify signs of reactions, and demonstrate the law of conservation of mass.

9 lessons
0 of 9 done
  1. Physical Changes vs. Chemical ChangesUp next
  2. Signs of a Chemical ReactionNot started yet
  3. Combustion Reactions and FuelsNot started yet
  4. Corrosion and Rusting of MetalsNot started yet
  5. Acid-Metal Reactions and Hydrogen GasNot started yet
  6. Reactions That Release Heat EnergyYou are here
  7. Reactions That Absorb Heat EnergyNot started yet
  8. Using Particle Models to Explain Conservation of MassNot started yet
  9. Measuring Mass in Open and Closed Reaction SystemsNot started yet
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Learning standards covered

GlobalOGS.7.PS.3Open Global Science Standards 2026™ · 6th Grade

Distinguish between physical reversible changes and irreversible chemical reactions (combustion, rusting, acid-metal reactions), identifying signs of chemical transformations and verifying the conservation of mass.