NCERT Solutions for Class 7 Science (Latest Edition)

Welcome to NCERTSolutions.org, your trusted guide for Class 7 Science NCERT Solutions.
The Class 7 Science textbook introduces fascinating concepts that connect classroom learning with real-world experiences — from nutrition and respiration to electricity, light, and natural resources.

Our chapter-wise NCERT Solutions are written in clear, step-by-step explanations aligned with the latest NCERT and CBSE syllabus, helping students build strong conceptual understanding and score well in exams.

📘 Class 7 Science Chapters

  1. Nutrition in Plants

  2. Nutrition in Animals

  3. Fibre to Fabric

  4. Heat

  5. Acids, Bases and Salts

  6. Physical and Chemical Changes

  7. Weather, Climate and Adaptations of Animals to Climate

  8. Winds, Storms and Cyclones

  9. Soil

  10. Respiration in Organisms

  11. Transportation in Animals and Plants

  12. Reproduction in Plants

  13. Motion and Time

  14. Electric Current and its Effects

  15. Light

  16. Water: A Precious Resource

  17. Forests: Our Lifeline

  18. Wastewater Story

🌟 Why Choose Our NCERT Solutions for Class 7 Science

  • 100% accurate, detailed, and up-to-date answers

  • Designed by subject experts for complete conceptual clarity

  • Helps in exam preparation, homework, and competitive tests

  • Builds strong foundation for higher classes

  • Free, easy to access, and fully aligned with CBSE guidelines

🔬 Chapter-wise Summary and Key Concepts

1. Nutrition in Plants

Learn how plants make their own food through photosynthesis and explore modes like parasitic and symbiotic nutrition.
Key Concept: Role of chlorophyll, sunlight, and nutrients in autotrophic nutrition.

2. Nutrition in Animals

Understand how animals, including humans, digest and absorb food.
Topics Covered: Digestive system, ruminants, and step-by-step digestion process.

3. Fibre to Fabric

Explore how natural fibres like wool and silk are obtained, processed, and converted into fabric.
Key Idea: Life cycle of silkworm and shearing of wool.

4. Heat

Learn about hot and cold objects, temperature measurement, and transfer of heat by conduction, convection, and radiation.
Activity Based: Experiments showing thermal conductivity.

5. Acids, Bases and Salts

Identify different acids and bases, their reactions, and how neutralization helps in daily life.
Example: Using antacids to treat indigestion.

6. Physical and Chemical Changes

Understand how materials change form — reversible and irreversible transformations.
Examples: Rusting of iron, crystallization, and burning.

7. Weather, Climate and Adaptations of Animals to Climate

Discover how weather and climate differ and how animals adapt to polar and tropical regions.
Key Concept: Behavioral and physical adaptations.

8. Winds, Storms and Cyclones

Learn about air pressure, wind currents, and precautions during storms and cyclones.
Real-life Application: Safety measures during natural disasters.

9. Soil

Study soil composition, types, and properties through fun activities.
Important Topic: Soil erosion and conservation methods.

10. Respiration in Organisms

Explore how living beings use oxygen to release energy from food.
Key Learning: Aerobic and anaerobic respiration differences.

11. Transportation in Animals and Plants

Understand how nutrients, gases, and water move within organisms.
Concepts: Circulatory system, xylem, and phloem functions.

12. Reproduction in Plants

Learn how plants reproduce through seeds, spores, and vegetative propagation.
Activity: Growing new plants from stem cuttings.

13. Motion and Time

Grasp the fundamentals of speed, distance, and time with real-world examples.
Concept Highlight: Graphical representation of motion.

14. Electric Current and its Effects

Understand electric circuits, heating and magnetic effects of current, and their applications.
Activity: Building a simple circuit at home safely.

15. Light

Dive into concepts like reflection, images, and shadows.
Key Focus: Laws of reflection and mirror properties.

16. Water: A Precious Resource

Learn about the importance, scarcity, and conservation of water.
Awareness Topic: Responsible water usage and rainwater harvesting.

17. Forests: Our Lifeline

Understand the interdependence of living organisms in a forest ecosystem.
Key Idea: Role of forests in maintaining oxygen balance and preventing soil erosion.

18. Wastewater Story

Explore how wastewater is treated and how we can keep our surroundings clean.
Environmental Focus: Sanitation, sewage treatment, and health.

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