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TRIANGLES | SPEED NOTES | MATHEMATICS | CBSE | CLASS 9
TRIANGLES | SPEED NOTES | MATHEMATICS | CBSE | CLASS 9 TRIANGLES | CHAPTER NOTES Similar Geometric Figures: Two geometric figures which...
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CIRCLES | SPEED NOTES | MATHEMATICS | CBSE | CLASS 9
Introduction to Circles There are many objects in our life which are round in shape. A few examples are the clock, dart board, cartwheel,...
EMPIRICAL PROBABILITY | SPEED NOTES | MATHEMATICS | CBSE | CLASS 9
Probability Probability is the study of the uncertainty. The uncertainty of any doubtful situation is measured by means of Probability....
MOTION | SPEED NOTES | CBSE | SCIENCE | CLASS 9
Rest And Motion Motion: An object is said to be in motion when its position changes with time. Rest: An object is said to be at rest when...
FORCE AND LAWS OF MOTION | SPEED NOTES | CBSE | SCIENCE | CLASS 9
Force : Push or pull is called Force. Example: We push or pull to open a door. Effects of Force Force can change the shape and size of an...
LINES AND ANGLES | SPEED NOTES | CBSE | MATHEMATICS | CLASS 9
Basic terms and Definitions 1. Point - A Point is that which has no component. It is represented by a dot. 2. Line - When we join two...
WHY DO WE FALL ILL | SPEED NOTES | CBSE |SCIENCE | CLASS 9
Chapter 13 - WhyDo We Fall Ill 1. Health andits Failure The significance of Health Health is a state of complete physical, mental and...
TISSUES | SPPED NOTES | CBSE |SCIENCE | CLASS 9
Chapter 6 - Tissues Are plants and Animals made of same types of tissues? Plants are stationary, and hence are provided with some tissues ...
THE FUNDAMENTAL UNIT OF LIFE | SPEED NOTES | CBSE | SCIENCE | CLASS 9
Chapter 5 - The Fundamental Unit of Life What are Living organisms made up of? All living organisms are made up of cells. Cell is...
ATOMS AND MOLECULES | SPEED NOTES | CBSE | SCIENCE | CLASS 9
Chapter 3- Atoms andMolecules Summary of Atoms andMolecules Law of conservation of mass: According to this law,during any physical or...
STRUCTURE OF ATOM | SPEED NOTES | CBSE | SCIENCE | CLASS 9
Chapter 4- Structure of Atom Summary ofStructure of Atom Ø Ø Atom is the smallest particle of an element. It has two parts: nucleus...
SOUND | SPEED NOTES | CBSE | SCIENCE | CLASS 9
Chapter 12- Sound Introduction You have learnt that sound is a form of energy. It is produced by vibrations. Sound waves are...
NATURAL RESOURCES | SPEED NOTES | CBSE | SCIENCE | CLASS 9
Chapter 14 - Natural Resources Materials provided by nature on earth which can be used by living organisms are termed to be natural ...
DIVERSITY IN LIVING ORGANISMS | SPEED NOTES | CBSE | SCIENCE | CLASS 9
Chapter 7 -Diversity in Living Organisms 1. What isthe basis of classification? Organisms differ in their form, structure and mode of...
IMPROVEMENTS IN FOOD RESOURCES | SPEED NOTES | CBSE | SCIENCE | CLASS 9
Chapter 15 - Improvements in Food Resources Food is essential for all living organisms to live. We depend on plants and animals for ...
LINEAR EQUATIONS IN TWO VARIABLES | SPEED NOTES | CBSE | MATHEMATICS | CLASS 9
Revision Notes - CBSE 09 Math - Linear Equations in Two Variables Linear Equations The equation of a straight line is the linear...
COORDINATE GEOMETRY | SPEED NOTES | CBSE | CLASS 9 | MATHEMATICS
Cartesian System A plane formed by two number lines, one horizontal and the other vertical, such that they intersect each other at their...
NCERT SOLUTIONS | SCIENCE | CBSE | CLASS 9 |
MATTER IN OUR SURROUNDINGS IS MATTER AROUND US PURE? ATOMS AND MOLECULES STRUCTURE OF THE ATOM THE FUNDAMENTAL UNIT OF LIFE TISSUES...
SURFACE AREAS AND VOLUMES | SPEED NOTES | MATHEMATICS | CBSE | CLASS
SURFACE AREAS AND VOLUMES | SPEED NOTES Introduction : We are familiar with the shapes of solids like right circular cylinder, right...
ATOMS AND MOLECULES | SPEED NOTES | SCIENCE | CBSE | CLASS 9
Chapter 3- Atoms andMolecules Summary of Atoms andMolecules Law of conservation of mass: According to this law,during any physical or...
INTRODUCTION TO EUCLID GEOMETRY | SPEED NOTES | MATHEMATICS | CBSE | CLASS 9
Euclid’s Definitions Euclid’s Axioms and Postulates Axioms Postulates Equivalent Versions of Euclid’s Fifth Postulate Theorem...
SOUND | SPEED NOTES | SCIENCE | CBSE | CLASS 9
Chapter – 13 Sound Sound: Vibrations that travel through the airor another medium and can be heard when they reach a person's or animal's...
ASSESSMENTS | MATHEMATICS | CBSE | CLASS 9
NUMBER SYSTEMS POLYNOMIALS COORDINATE GEOMETRY LINEAR EQUATIONS IN TWO VARIABLES INTRODUCTION TO EUCLID’S GEOMETRY LINES AND ANGLES...
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