Curiosity: Textbook of Science for Grade 7
Chapter 1: The Ever-Evolving World of Science
- The Ever-Evolving World of Science
- Looking ahead: an overview of the chapters of Grade 7
- 1.1 Happy Exploring!
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 2: Exploring Substances: Acidic, Basic, and Neutral
- 2.1 Nature — Our Science Laboratory
- 2.2 What Happens When Acidic Substances Mix with Basic Substances?
- 2.3 Neutralisation in Daily Life
- In a Nutshell
- Let us enhance our learning
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 3: Electricity: Circuits and their Components
- Activity 3.1: Let us explore
- 3.2.1 Electric cell
- 3.3 Circuit Diagrams
- 3.4 Electrical Conductors and Insulators
- In a Nutshell
- Let us enhance our learning
- Science and society
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 4: The World of Metals and Non-metals
- 4.1 Properties of Materials
- 4.2 Effect of Air and Water on Metals: Iron
- 4.4 Substances that Behave Differently from Metals in Air and Water
- 4.5 Are Non-metals Essential in Everyday Life?
- In a Nutshell
- Let us enhance our learning
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 5: Changes Around Us: Physical and Chemical
- Activity 5.1: Let us think and reflect
- Activity 5.2: Let us create and discuss
- Activity 5.3: Let us explore
- Activity 5.4: Let us experiment
- 5.3 Some Other Processes Involving Chemical Changes
- 5.4 Can Physical and Chemical Changes Occur in the Same Process?
- 5.5 Are Changes Permanent?
- 5.6 Are All Changes Desirable?
- 5.7 Some Slow Natural Changes
- In a Nutshell
- Let us enhance our learning
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 6: Adolescence: A Stage of Growth and Change
- 6.1 Growing With Age: The Teenage Years
- 6.2 Changes that Indicate Reproductive Capability
- 6.3 Emotional and Behavioural Changes in Adolescents
- 6.4 Making Adolescence a Joyful Experience
- 6.5 The ‘Why’ Question for Adolescence
- In a Nutshell
- Let us enhance our learning
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 7: Heat Transfer in Nature
- 7.1 Conduction of Heat
- 7.2 Convection
- 7.3 Radiation
- 7.4 Water Cycle
- In a Nutshell
- Let us enhance our learning
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 8: Measurement of Time and Motion
- 8.1 Measurement of Time
- 8.2 Slow or Fast
- 8.3 Speed
- 8.4 Uniform and Non-uniform Linear Motion
- In a Nutshell
- Let us enhance our learning
- Fascinating facts
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 9: Life Processes in Animals
- 9.1 Nutrition in Animals
- 9.2 Respiration in Animals
- In a Nutshell
- Let us enhance our learning
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 10: Life Processes in Plants
- 10.1 How Do Plants Grow?
- 10.2 How Do Plants Get Food for their Growth?
- 10.3 Transport in Plants
- 10.4 Do Plants Respire?
- In a Nutshell
- Let us enhance our learning
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 11: Light: Shadows and Reflections
- 11.1 Sources of Light
- 11.2 Does Light Travel in a Straight Line?
- 11.3 Light through Transparent, Translucent, and Opaque Materials
- 11.4 Shadow Formation
- 11.5 Reflection of Light
- 11.6 Images Formed in a Plane Mirror
- 11.7 Pinhole Camera
- 11.8 Making Some Useful Items
- In a Nutshell
- Let us enhance our learning
- Fascinating facts
Official NCERT PDF (English) · हिंदी माध्यम PDF
Chapter 12: Earth, Moon, and the Sun
- 12.1 Rotation of the Earth
- 12.2 Revolution of the Earth
- 12.3 Eclipses
- In a Nutshell
- Let us enhance our learning
Official NCERT PDF (English) · हिंदी माध्यम PDF
Free sample questions
Three sample questions with answers. Full explanations — and the rest of the question bank — are free to read after you sign up.
Q1. Two cells are placed in a torch to form a battery that makes the lamp glow. How are the cells arranged?
- Positive terminal of one cell connected to the negative terminal of the next
- Positive terminals of both cells connected together
- Negative terminals of both cells connected together
- Cells kept apart without any connection
Show answer
Correct answer: A. Positive terminal of one cell connected to the negative terminal of the next
🔒 The full explanation is free to read after you sign up →
Q2. In the Northern Hemisphere, the shortest day and longest night occur around:
- 21 June
- 22 December
- 21 March
- 23 September
Show answer
Correct answer: B. 22 December
🔒 The full explanation is free to read after you sign up →
Q3. Which of the following is a physical change?
- Rusting of an iron nail
- Crushing a piece of chalk into powder
- Burning of a magnesium ribbon in air
- Blowing air into lime water until it turns milky
Show answer
Correct answer: B. Crushing a piece of chalk into powder
🔒 The full explanation is free to read after you sign up →
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Chapter lists follow the NCERT textbooks as available to us; textbooks are revised from time to time, so confirm on ncert.nic.in.
