Water, Water Everywhere

Cambridge Board > Class 7 > General Science (Total Videos: 172)

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Chapter 7: Water, Water Everywhere (7 videos)   (Practice Test)
7.1: Clean Water and Life
  1. Introduction to Water
7.2: Sources of Water
  1. Sources of Water
  2. Underground Water
7.3: Impurities in Water
  1. Impurities in Water
7.4: Water Pollution
  1. Water Pollution
7.5: Uses of Water
  1. Uses of Water
  2. Conservation of Water