Chemical Changes and Matter · Physical Science

Crystallization and Prevention of Rust

Exploring methods to obtain pure substances and protect metals from environmental damage.

Key Questions

  1. 1How can we grow large crystals from a saturated solution?
  2. 2What would happen if we didn't paint or galvanize iron structures?
  3. 3Why does rusting happen faster in coastal areas than in deserts?

CBSE Learning Outcomes

CBSE: Physical and Chemical Changes - Class 7
Class: Class 7
Subject: Science (EVS K-5)
Unit: Chemical Changes and Matter
Period: Physical Science

Suggested Methodologies

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