Class 7

Class 7 – Science Notes

Chapter 1 : Nutrition in Plants

• Photosynthesis
• Modes of Nutrition in Plants
• Replenishment of Nutrients in the Soil

Chapter 2 : Nutrition in Animals

• Human Digestive System
• Teeth and Tongue
• Digestion in Grass Eating Animals

Chapter 3 : Fibre to Fabric

• Wool
• Silk

Chapter 4 : Heat

• Temperature
• Transfer of Heat

Chapter 5 : Acid, Bases and Salts

• Indicators, Acids and Bases
• Neutralisation And Salts

Chapter 6 : Physical and Chemical Changes

• Physical Changes
• Chemical Changes

Chapter 7 : Weather, Climate and Adaptations of Animals to Climate

• Weather
• Climate
• Adaptations

Chapter 8 : Winds, Storms and Cyclones

• Air
• Wind
• Thunderstorm, Cyclones, Tornado

Chapter 9 : Soil

• Soil Profile
• Types of Soil
• Soil Erosion

Chapter 10 : Respiration in Organisms

• Types of Respiration
• Breathing
• Respiration in Humans
• Respiration in Plants and Animals

Chapter 11 : Transportation in Animals and Plants

• Transport in Humans
• Excretion in Animals
• Transport in Plants

Chapter 12 : Reproduction in Plants

• Asexual Reproduction In Plants
• Budding, Fragmentation and Spore Formation
• Sexual Reproduction in Plants
• Pollination and Fertilisation
• Dispersal Of Seeds And Fruits

Chapter 13 : Motion and Time

• Motion
• Graphical Representation of Motion
• Time
• Pendulum

Chapter 14 : Electric Current and its Effects

• Electric Circuit
• Heating Effect of Electric Current
• Magnetic Effect Of Electric Current

Chapter 16 : Water: A Precious Resource

• Water
• Groundwater
• Distribution of Water

Chapter 17 : Forests Our Lifeline

• Components of Forest
• Structutre of Forest
• Importance of Forest
• Regeneration and Conservation of Forest

Chapter 18 : Wastewater Story

• Sewage
• Sewage Treatment Plant
• Sanitation And Sewage Disposal