NCERT Solutions for Class 7 Science

Chapter 1: Nutrition in Plants

In this chapter the main key concepts you will be reading are Mode of Nutrition in Plants, Photosynthesis - Food Making Process in Plants, Other Modes of Nutrition in Plants, Saprotrophs, How Nutrients are replenished in The Soil.

Chapter 2: Nutrition in Animals

In this chapter the main key concepts you will be reading are Different Ways of Taking Food, Digestion in Humans, and Digestion in Grass-Eating Animals, Feeding and Digestion in Amoeba.

Chapter 3: Fibre to Fabric

In this chapter the main key concepts you will be reading are Wool and Silk.

Chapter 4: Heat

In this chapter the main key concepts you will be reading are Hot and Cold, Measuring Temperature, Laboratory Thermometer, Transfer of Heat, Kinds of Clothes We Wear in summer and winter.

Chapter 5: Acids, Bases, and Salts

In this chapter the main key concepts you will be reading are Acids and Bases, Natural Indicators around Us, Neutralisation, Neutralisations in Everyday Life.

Chapter 6: Physical and Chemical Changes

In this chapter the main key concepts you will be reading are Physical Changes, Chemical Change, Rusting of Iron, and Crystallization.

Chapter 7: Weather Climate and Adaptation of Animals To Climate

In this chapter the main key concepts you will be reading are Weather, Climate, Climate and Adaptation.

Chapter 8: Winds, Storms, and Cyclones

In this chapter the main key concepts you will be reading are Air Exerts Pressure, High-Speed Winds Are Accompanied by Reduced Air Pressure, Air Expands on Heating, and Wind Currents Are Generated Due to Uneven Heating on The Earth, Thunderstorms and Cyclones, Destruction Caused by Cyclones, Effective Safety Measures and Advanced Technology Has Helped.

Chapter 9: Soil

In this chapter the main key concepts you will be reading are Soil Teeming with Life, Soil Profile, Soil Types, Properties of Soil, and Moisture in Soil, Absorption of Water by Soil, Soil and Crops.

Chapter 10: Respiration in Organisms

In this chapter the main key concepts you will be reading are Why Do We Respire? Breathing, How Do We Breathe? What Do We Breathe Out? Breathing in Other Animals, Breathing Under Water, Do Plants Also Respire?

Chapter 11: Transportation in Animals and Plants

In this chapter the main key concepts you will be reading are Circulatory System, Excretion in Animals, and Transport of Substances in Plants.

Chapter12: Reproduction in Plants

In this chapter the main key concepts you will be reading are Modes of Reproduction, Sexual Reproduction, Fruits and Seed Formation, Seed Dispersal.

Chapter 13: Motion and Time

In this chapter the main key concepts you will be reading are Slow or Fast, Speed, Measurement of Time, Measuring Speed, Distance-Time Graph.

Chapter 14: Electric Current and Its Effects

In this chapter the main key concepts you will be reading are Symbols of Electric Components, Heating Effect of Electric Current, Magnetic Effect of Electric Current, Electromagnet, and Electric Bell.

Chapter 15: Light

In this chapter the main key concepts you will be reading are Light Travels along a Straight Line, Reflection of Light, Right or Left!, Playing with Spherical Mirrors, Images Formed by Lenses, Sunlight — White Or Coloured?.

Chapter 16: Water: A Precious Resource

In this chapter the main key concepts you will be reading are How Much Water Is Available, Forms of Water, Groundwater as an Important Source of Water, Depletion of Water Table, Distribution of Water, Water Management, What Role You Can Play, and Effect of Water Scarcity on Plants.

Chapter 17: Forest: Our Lifeline

In this chapter the main key concepts you will be reading are Visit a Forest

Chapter 18: Waste Water Story

In this chapter the main key concepts you will be reading are Water, Our Lifeline, and What Is Sewage? Water Freshens Up – An Eventful Journey, Wastewater Treatment Plant, Better House Keeping Practices, Sanitation and Disease, Alternative Arrangement for Sewage Disposal, Sanitation at Public Places.