World water day
Water of Class 7
The year 2003 was observed as the INTERNATIONAL YEAR OF FRESH WATER to make people aware of this dwindling natural resource. 22 MARCH is celebrated as the WORLD WATER DAY.
NCERT SOLUTIONS FOR CLASS-7 SCIENCE (Science for grade-7 NCERT solutions)
Chapter 1 - Nutrition in Plants
Chapter 2 - Nutrition in Animals
Chapter 5 - Acids, Bases and Salts
Chapter 6 - Physical and Chemical Changes
Chapter 7 - Weather, Climate and Adaptations of Animals to Climate
Chapter 8 - Winds, Storms and Cyclones
Chapter 10 - Respiration in Organisms
Chapter 11 - Transportation in Animals and Plants
Chapter 12 - Reproduction in Plants
Chapter 14 - Electric Current and Its Effects
Chapter 16 - Water: A Precious Resource
Chapter 17 - Forests: Our Lifeline
- Introduction
- Distribution of water on earth
- Necessity Of Water
- Occurrence Of Water
- Physical Properties Of Water
- Chemical Properties Of Water
- Action Of Water On Metals
- Action Of Water On Non- Metals
- Tests Of Water
- World water day
- Water Cycle
- Groundwater
- Depletion of water table
- Water management
- Mind map
- Exercise - 1
- Exercise - 2
- Exercise - 3
- Exercise - 4
