NCERT Exemplar Solutions for Class 8 Science – Chapter-wise (2025 Updated Edition)

Welcome to NCERTSolutions.org, your trusted source for Class 8 Science Exemplar Solutions.
The NCERT Exemplar Science Book is designed to go beyond the textbook and help students develop critical thinking, application skills, and deeper understanding of key scientific concepts.

Our step-by-step Exemplar solutions follow the latest NCERT guidelines (2025) and are prepared by subject experts to help students excel in exams, Olympiads, and competitive foundations like NTSE and NSEJS.

🔬 Class 8 Science Exemplar Chapters

  1. Crop Production and Management

  2. Microorganisms: Friend and Foe

  3. Synthetic Fibres and Plastics

  4. Materials: Metals and Non-metals

  5. Coal and Petroleum

  6. Combustion and Flame

  7. Conservation of Plants and Animals

  8. Cell — Structure and Functions

  9. Reproduction in Animals

  10. Reaching the Age of Adolescence

  11. Force and Pressure

  12. Friction

  13. Sound

  14. Chemical Effects of Electric Current

  15. Some Natural Phenomena

  16. Light

  17. Stars and the Solar System

  18. Pollution of Air and Water

📘 Chapter-wise Overview

1. Crop Production and Management

Understand advanced agricultural techniques, irrigation methods, and food storage practices.
Key Focus: Sustainable farming, cropping patterns, and soil management.

2. Microorganisms: Friend and Foe

Learn how microbes support human life in medicine and industry — and how they can be harmful too.
Key Focus: Pathogens, antibiotics, food preservation, and nitrogen fixation.

3. Synthetic Fibres and Plastics

Explore the chemistry behind artificial fibres and their role in modern life.
Key Focus: Types of synthetic fibres, biodegradability, and recycling.

4. Materials: Metals and Non-metals

Study the advanced physical and chemical properties of metals and non-metals.
Key Focus: Reactions, uses, corrosion prevention, and real-life applications.

5. Coal and Petroleum

Deepen your understanding of fossil fuels, their formation, and conservation.
Key Focus: Refining, natural gas, and sustainable alternatives to fossil energy.

6. Combustion and Flame

Discover how energy is released during combustion and how flames behave differently.
Key Focus: Types of combustion, fire control, and fuel efficiency.

7. Conservation of Plants and Animals

Learn why preserving biodiversity is crucial for our planet’s balance.
Key Focus: Deforestation, wildlife sanctuaries, and ecosystem protection.

8. Cell — Structure and Functions

Explore the microscopic world of cells and understand how they form the basis of life.
Key Focus: Cell organelles, division, and plant vs animal cells.

9. Reproduction in Animals

Understand the scientific process behind animal reproduction and development.
Key Focus: Fertilization, life cycle, and cloning basics.

10. Reaching the Age of Adolescence

Study physical and mental changes during adolescence and how hormones affect growth.
Key Focus: Endocrine system, puberty, and emotional development.

11. Force and Pressure

Delve deeper into how forces cause motion and how pressure operates in fluids.
Key Focus: Newton’s laws (basic concept), frictional and atmospheric pressure.

12. Friction

Explore how friction impacts everyday motion and how it can be controlled.
Key Focus: Types of friction, lubrication, and surface roughness.

13. Sound

Understand how sound travels, its properties, and its uses in technology.
Key Focus: Frequency, pitch, echo, and sonar applications.

14. Chemical Effects of Electric Current

Learn how electricity causes chemical changes in liquids and its industrial uses.
Key Focus: Electrolysis, electroplating, and ion movement.

15. Some Natural Phenomena

Understand the science behind lightning, earthquakes, and static electricity.
Key Focus: Safety during storms, earthquake preparedness, and electric discharge.

16. Light

Explore how light travels, reflects, and forms images.
Key Focus: Reflection, refraction, human eye, and corrective lenses.

17. Stars and the Solar System

Travel through the universe to learn about celestial bodies and their movement.
Key Focus: Planets, stars, constellations, and satellites.

18. Pollution of Air and Water

Identify sources of pollution and explore ways to keep our environment clean.
Key Focus: Causes, prevention, and importance of sustainable living.

💡 Why Use NCERT Exemplar Class 8 Science Solutions from NCERTSolutions.org?

  • ✅ Accurate and Updated: Based on the latest NCERT Exemplar Book (2025)

  • 🧠 Concept-Oriented: Strengthens reasoning and application skills

  • 📈 Exam-Ready Content: Perfect for CBSE, NTSE, and school assessments

  • 🌿 Easy Language: Designed for clear understanding and long-term retention

  • 🔍 Free Access: Available online anytime — no login required