CBSE · Class 8 · Science · Chapter 8

Nature of Matter: Elements, Compounds, and Mixtures

Classify matter into elements, compounds and mixtures by studying their composition, properties and particle arrangements.

6 lessons 45 min
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Lessons in this chapter

  1. 1Mixtures Around UsDiscover how substances can mix while retaining their identities, from a salad to air and alloys.
  2. 2Pure Substances and ElementsUse particle identity and separation to distinguish pure substances and recognise elements.
  3. 3How Elements Form CompoundsExplain fixed chemical composition through water, salt, and the decomposition of sugar.
  4. 4Iron and Sulfur: Mixture or Compound?Follow one investigation that contrasts a physical mixture with the compound made by heating it.
  5. 5Materials, Minerals, and Everyday UsesConnect matter classification to useful materials, natural minerals, and traditional craftsmanship.
  6. 6Chapter Summary and PracticeConnect the complete classification of matter and practise choosing evidence for each category.
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