**Science and Maths Document for Class 9:**

As a guide, I can provide you with a detailed explanation of a document that covers all the chapters of Science and Maths for Class 9. Please note that the document is not available on EduRev, but I can provide you with the necessary information.

**Science:**

1. **Chapter 1: Matter in Our Surroundings**
- States of matter
- Physical and chemical changes
- Evaporation and condensation

2. **Chapter 2: Is Matter Around Us Pure**
- Elements, compounds, and mixtures
- Separation techniques
- Physical and chemical properties

3. **Chapter 3: Atoms and Molecules**
- Atoms and their structure
- Molecules and their formation
- Writing chemical formulas and equations

4. **Chapter 4: Structure of the Atom**
- Subatomic particles
- Atomic structure
- Valency and atomic mass

5. **Chapter 5: The Fundamental Unit of Life**
- Cell theory
- Plant and animal cells
- Cell organelles and their functions

6. **Chapter 6: Tissues**
- Plant and animal tissues
- Types of tissues
- Structure and functions of tissues

7. **Chapter 7: Diversity in Living Organisms**
- Classification of organisms
- Five kingdoms of classification
- Biodiversity and conservation

8. **Chapter 8: Motion**
- Types of motion
- Distance, displacement, and speed
- Acceleration and velocity

9. **Chapter 9: Force and Laws of Motion**
- Newton's laws of motion
- Balanced and unbalanced forces
- Friction and its types

10. **Chapter 10: Gravitation**
- Universal law of gravitation
- Free fall and weight
- Mass, weight, and gravity

11. **Chapter 11: Work and Energy**
- Work, power, and energy
- Forms of energy
- Conservation of energy

12. **Chapter 12: Sound**
- Production and propagation of sound
- Characteristics of sound
- Echo and reverberation

13. **Chapter 13: Why Do We Fall Ill**
- Health and its failure
- Causes of diseases
- Prevention and control of diseases

14. **Chapter 14: Natural Resources**
- Air, water, and soil pollution
- Conservation of natural resources
- Sustainable development

15. **Chapter 15: Improvement in Food Resources**
- Components of food
- Crop production and management
- Animal husbandry and fisheries

**Maths:**

1. **Chapter 1: Number Systems**
- Rational, irrational, and real numbers
- Laws of exponents
- Divisibility rules

2. **Chapter 2: Polynomials**
- Introduction to polynomials
- Degree and coefficient of a polynomial
- Factorization of polynomials

3. **Chapter 3: Coordinate Geometry**
- Cartesian plane
- Distance formula
- Section formula

4. **Chapter 4: Linear Equations in Two Variables**
- Pair of linear equations
- Graphical representation
- Substitution and elimination methods

5. **Chapter 5: Introduction to Euclid's Geometry**
- Euclid's axioms and postulates
- Proofs and theorems
- Construction of geometrical figures

6. **Chapter 6: Lines and Angles**
- Types of angles