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Free, original, step-by-step NCERT Solutions for Class 7 Science- English Medium (Curiosity), matching the current 2026-27 CBSE syllabus.
Each chapter below is solved question by question, in the order it appears in the textbook, so you can follow along page by page instead of jumping between sites. Click a chapter's Solutions link for the full worked answers, Extra Questions for additional practice beyond the textbook, and Revision Notes for a quick summary before a test.
📚 Formulas Handbook (all chapters)
Chapter 1: The Ever-Evolving World of Science - Curiosity
Chapter 1 of the Class 7 NCERT Curiosity textbook is titled "The Ever-Evolving World of Science". It's a short orientation chapter that frames science as an ongoing process of curiosity, questioning and exploration rather than a fixed set of facts — using everyday examples like paper planes, ripening fruit, haldi st...
Solutions | Extra Questions | Revision Notes
Chapter 2: Exploring Substances - Acidic, Basic and Neutral - Curiosity
Chapter 2 of the Class 7 NCERT Curiosity textbook is titled "Exploring Substances: Acidic, Basic and Neutral". It covers testing substances with litmus paper and natural indicators (turmeric, red rose extract), classifying substances as acidic, basic or neutral, and the idea of neutralization. These Class 7 Science ...
Solutions | Extra Questions | Revision Notes
Chapter 3: Electricity - Circuits and their Components - Curiosity
Chapter 3 of the Class 7 NCERT Curiosity textbook is titled "Electricity: Circuits and their Components". It covers electric cells and batteries, bulbs and LEDs, switches, circuit diagrams and symbols, and conductors vs. insulators. These Class 7 Science Chapter 3 solutions are also useful as quick revision notes be...
Solutions | Extra Questions | Revision Notes
Chapter 4: The World of Metals and Non-metals - Curiosity
Complete NCERT Solutions for Class 7 Science Chapter 4 "The World of Metals and Non-metals" from the Curiosity textbook, covering in-text questions, exercise questions, and all chapter activities. These Class 7 Science Chapter 4 solutions are also useful as quick revision notes before exams. Q1. Can you give some ex...
Solutions | Extra Questions | Revision Notes
Chapter 5: Changes Around Us - Physical and Chemical - Curiosity
Complete NCERT Solutions for Class 7 Science Chapter 5 "Changes Around Us: Physical and Chemical" from the Curiosity textbook, covering in-text questions, exercises, and all chapter activities. These Class 7 Science Chapter 5 solutions are also useful as quick revision notes before exams. Q1. Students describe sever...
Solutions | Extra Questions | Revision Notes
Chapter 6: Adolescence - A Stage of Growth and Change - Curiosity
Complete NCERT Solutions for Class 7 Science Chapter 6 "Adolescence: A Stage of Growth and Change" from the Curiosity textbook, covering physical, emotional, and nutritional aspects of adolescent development. These Class 7 Science Chapter 6 solutions are also useful as quick revision notes before exams. Q1. Adolesce...
Solutions | Extra Questions | Revision Notes
Chapter 7: Heat Transfer in Nature - Curiosity
Complete NCERT Solutions for Class 7 Science Chapter 7 "Heat Transfer in Nature" from the Curiosity textbook, covering conduction, convection, radiation, sea/land breezes, water infiltration, and the water cycle. These Class 7 Science Chapter 7 solutions are also useful as quick revision notes before exams. Q1. How ...
Solutions | Extra Questions | Revision Notes
Chapter 8: Measurement of Time and Motion - Curiosity
Complete NCERT Solutions for Class 7 Science Chapter 8 "Measurement of Time and Motion" from the Curiosity textbook, covering historical timekeeping, speed calculations, and uniform vs non-uniform motion. These Class 7 Science Chapter 8 solutions are also useful as quick revision notes before exams. Q1. How was time...
Solutions | Extra Questions | Revision Notes
Chapter 9: Life Processes in Animals - Curiosity
Complete NCERT Solutions for Class 7 Science Chapter 9 "Life Processes in Animals" from the Curiosity textbook, covering digestion, respiration, and related life processes. These Class 7 Science Chapter 9 solutions are also useful as quick revision notes before exams. Q1. Why do cows keep chewing food even when not ...
Solutions | Extra Questions | Revision Notes
Chapter 10: Life Processes in Plants - Curiosity
Complete NCERT Solutions for Class 7 Science Chapter 10 "Life Processes in Plants" from the Curiosity textbook, covering photosynthesis, respiration, and transportation in plants. These Class 7 Science Chapter 10 solutions are also useful as quick revision notes before exams. Q1. How does sunlight contribute to the ...
Solutions | Extra Questions | Revision Notes
Chapter 11: Light: Shadows and Reflections - Curiosity
Complete NCERT Solutions for Class 7 Science Chapter 11 "Light: Shadows and Reflections" from the Curiosity textbook, covering luminous and non-luminous objects, rectilinear propagation of light, shadow formation, reflection, plane mirror images, lateral inversion, and the working of a pinhole camera and a periscope...
Solutions | Extra Questions | Revision Notes
Chapter 12: Earth, Moon and the Sun - Curiosity
Complete NCERT Solutions for Class 7 Science Chapter 12 "Earth, Moon and the Sun" from the Curiosity textbook, covering the Earth's rotation and revolution, day and night, the apparent motion of the Sun and stars, the tilt of Earth's axis and seasons, and solar and lunar eclipses. These Class 7 Science Chapter 12 so...
Solutions | Extra Questions | Revision Notes
| Chapter | NCERT Solutions | Revision Notes | Extra Questions (HOTS) |
|---|---|---|---|
| Ch 1: The Ever-Evolving World of Science - Curiosity | Solutions | Revision Notes | Extra Questions |
| Ch 2: Exploring Substances - Acidic, Basic and Neutral - Curiosity | Solutions | Revision Notes | Extra Questions |
| Ch 3: Electricity - Circuits and their Components - Curiosity | Solutions | Revision Notes | Extra Questions |
| Ch 4: The World of Metals and Non-metals - Curiosity | Solutions | Revision Notes | Extra Questions |
| Ch 5: Changes Around Us - Physical and Chemical - Curiosity | Solutions | Revision Notes | Extra Questions |
| Ch 6: Adolescence - A Stage of Growth and Change - Curiosity | Solutions | Revision Notes | Extra Questions |
| Ch 7: Heat Transfer in Nature - Curiosity | Solutions | Revision Notes | Extra Questions |
| Ch 8: Measurement of Time and Motion - Curiosity | Solutions | Revision Notes | Extra Questions |
| Ch 9: Life Processes in Animals - Curiosity | Solutions | Revision Notes | Extra Questions |
| Ch 10: Life Processes in Plants - Curiosity | Solutions | Revision Notes | Extra Questions |
| Ch 11: Light: Shadows and Reflections - Curiosity | Solutions | Revision Notes | Extra Questions |
| Ch 12: Earth, Moon and the Sun - Curiosity | Solutions | Revision Notes | Extra Questions |
Also see the Class 7 NCERT Books catalog for the official textbook PDF.
Frequently Asked Questions
Are these Class 7 Science- English Medium (Curiosity) solutions updated for the 2026-27 syllabus?
Yes, every chapter listed above is checked against the current NCERT Science textbook for the 2026-27 CBSE session.
Do you also have Extra Questions and Revision Notes for Class 7 Science- English Medium (Curiosity)?
Yes — wherever published, Extra Questions and/or Revision Notes are linked next to the matching chapter above.
What is the Class 7 Science NCERT book called?
The current NCERT textbook for Class 7 Science is called Curiosity. The solutions above follow it chapter by chapter, in the same order as the printed book.
Are these Class 7 Science NCERT Solutions available in Hindi medium?
Yes -- see our separate Class 7 Science Hindi Medium Solutions page.