# Math and Science Class 9 CBSE Online Course

## Description

**Math and Science Class 9 CBSE Online Course**

Math is a subject that studies numbers, quantities, and space. Science gives the logic behind anything and everything around us. This is a combo course providing the two subjects- Mathematics and Science for Grade 9 CBSE which is strictly aligned to the latest NCERT Syllabus.

The course has a series of explanatory videos where a concept is explained in a way that will help you relate and understand the concepts. Each video is followed by a quiz which will help you test your knowledge. To make it a complete package, there are assessment tools on various topics.

These course topics are arranged chapter-wise completing the entire syllabus for Grade 9 Maths and Science.

What will you learn in this course:

This course covers all 15 chapters of class 9th Mathematics and 14 chapters of Science mapped according to the latest NCERT syllabus.

#### Who is this Course for:

This course is created specifically for class 9 CBSE students. However, it can be taken by students of any board or grade if the course content matches their need.

This course can be taken by teachers who wish to provide a better learning tool for students.

Requirements:

Basic understanding of the subjects of Maths and Science

Basic arithmetic and calculation skills

A curiosity to learn the subjects

If You Have Any Queries you can Call / Whatsapp Us on +917506363600 Or Mail us on Info@letstute.co.in

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## Lessons

- lessons
- 18 hr 12mins

- Matter in our Surroundings

- Greek Theory on Matter
- Physical Nature of Matter
- Characteristics of Particles of Matter
- Characteristics of Solids, Liquids and Gases
- Change of State (Matter)
- Melting Point and Boiling Point
- Latent Heat and Evaporation
- Is Matter around us Pure

- Introduction (Matter, Substances, Mixtures and Types)
- Solution (Solute and Solvent)
- Characteristics of a Solution
- Concentration of a Solution
- Concentration of a Solution
- Suspension and their Characteristics
- Evaporation and Centrifugation
- Colloids and their Characteristics
- Separation
- Distillation
- Fractional Distillation
- Sublimation and Chromatography
- Water purification
- Crystallization
- Properties of Substances and Elements
- Elements and Compounds
- Compounds and their Characteristics
- All About Atoms

- History of Atoms
- Law of Conservation of Mass
- Law of Constant Proportions
- Dalton’s Atomic Theory
- Introduction to Atoms
- Introduction to the Atomic Structure
- Thomson’s Atomic Model
- Rutherford’s Atomic Model – Part 1
- Rutherford’s Atomic Model – Part 2
- Bohr’s Model of an Atom
- Electron Distribution – Part 1
- Electron Distribution – Part 2
- Atomic Number
- Atomic Size
- Measuring Atomic Mass
- Atomic Mass ( in detail )
- Isotopes and Isobars
- Concept of Valency - Introduction
- Concept of Valency
- Concept of Molecules
- Molecules of Compounds and Concept of Ions
- Writing Chemical Formulae – Rule 1
- Writing Chemical Formulae – Rule 2
- Writing Chemical Formulae – Rule 3
- Chemical Formulae of Compounds
- Chemical Formulae of Complex Compounds – Part 1
- Chemical Formulae of Complex Compounds – Part 2
- Molecular Mass and Formula unit mass
- Concept of Mole - Part 1
- Concept of Mole - Avogadro's Number
- Cell - The Fundamental Unit of Life

- Introduction to Cells
- History of Cell Studies
- Structural Components of Cells - Part 1
- Structural Components of Cells - Part 2
- Diffusion
- Osmosis - Part 1
- Osmosis - Part 2
- Nucleus
- Endoplasmic Reticulum - Part 1
- Endoplasmic Reticulum - Part 2
- Golgi Apparatus
- Lysosomes
- Mitochondria
- Vacuoles
- Plastids
- Types of Cells
- Tissues

- What are Tissues?
- Meristematic Tissue
- Permanent Tissues
- Simple Permanent Tissues
- Epidermis – The Surface Tissue
- Complex Permanent Tissues
- Animal Tissues - Epithelial
- Types of Epithelium
- Connective Tissues
- Muscular Tissue
- Tissues - Overview
- Nervous Tissue
- Diversity in Living Organisms

- Introduction to Biological Classification
- Five Kingdom Classification System
- Kingdom Plantae - Part 1
- Kingdom Plantae - Part 2
- Introduction to Kingdom Animalia
- Kingdom Animalia - Phylum Porifera
- Kingdom Animalia - Phylum Coelenterata
- Kingdom Animalia - Phylum Platyhelminthes
- Kingdom Animalia - Phylum Aschelminthes
- Kingdom Animalia - Phylum Annelida
- Kingdom Animalia - Phylum Arthropoda
- Kingdom Animalia - Phylum Mollusca
- Kingdom Animalia - Phylum Echinodermata
- Kingdom Animalia - Agnatha and Pisces
- Kingdom Animalia - Aves and Mammals
- Kingdom Animalia - Amphibia and Reptilia
- Motion

- What is Displacement?
- What is Uniform and Non-Uniform Motion?
- What is Velocity?
- Scalar Quantity and Vector Quantity
- What is Acceleration?
- Sign of Acceleration
- Uniform and Non-Uniform Acceleration
- Distance Time Graphs - Part 1
- Distance Time Graphs - Part 2
- Velocity Time Graphs - Part 1
- Velocity Time Graphs - Part 2
- Equation for Velocity - Time Relation
- Equations of Motion
- Equation for Position - Time Relation
- Equation for Position - Velocity Relation
- Force and Laws of Motion

- What is Force? Part 1
- What is Force? Part 2
- Force - Scalar or Vector?
- Force - Free Body Diagrams
- Newton's First Law of Motion
- Newton's First Law of Motion - Applications
- Inertia and Mass
- Inertia and Mass - Examples
- Net Force and Acceleration
- Newton's Second Law of Motion
- Momentum
- Newton's Second Law of Motion - Word Problems Part 1
- Newton's Second Law of Motion - Word Problems Part 2
- Newton's Second Law of Motion - Word Problems Part 3
- Newton's Third Law of Motion
- Conservation of Momentum
- Conservation of Momentum - Examples
- Gravitation

- What is Gravity?
- Universal Law of Gravitation - Part 1
- Universal Law of Gravitation - Part 2
- Universal Law of Gravitation - Word Problems
- Free Fall
- Motion and Gravity
- Motion and Gravity - Word Problems Part 1
- Motion and Gravity - Word Problems Part 2
- Mass and Weight
- Weight of an object on the moon
- Thrust and Pressure
- Thrust and Pressure - Word Problems
- Pressure in Fluids
- Buoyancy
- Density
- Archimedes' Priniciple
- Relative Density
- Work and Energy

- What is Work?
- What is Work? (Exercises)
- What is Energy?
- Mechanical Energy
- Kinetic Energy
- Kinetic Energy – Word Problem
- Potential Energy
- Law of Conservation of Energy
- Rate of Doing Work
- Sound

- Basics of Sound
- Propagation of Sound
- Can Sound Propagate through Vacuum?
- Are Sound Waves Longitudinal Waves?
- Density and Pressure Variations
- Properties of a Sound Wave - Part 1
- Properties of a Sound Wave - Part 2
- Speed of a Sound Wave and Wave Equation
- Reflection of Sound and Echo
- When Do We Hear an Echo?
- Multiple Reflections and Reverberation
- Ultrasound and its Applications
- Why do we fall ill

- Why do we fall ill? – Introduction
- Personal and Community Issues
- Causes of Diseases
- Types of Diseases
- Infectious Agents
- Infectious Agents (Means of Spread)
- Disease Manifestation and Treatment
- Disease Manifestation, Treatment and Prevention
- Vaccination/ Immunization
- Natural Resources

- Natural Resources - Introduction
- Atmosphere
- Movement of Air - Winds
- Winds and Rain
- Air Pollution
- Water and Water Pollution
- Soil (Resource) and Soil Pollution
- Soil Pollution
- Biogeochemical Cycles
- The Water Cycle
- The Nitrogen Cycle
- The Carbon Cycle and Greenhouse Effect
- The Oxygen Cycle
- Improvement in Food Resources

- Improvement in Food Resources - Introduction
- Improvement in Crop Yield
- Crop Variety Improvement
- Crop Production Management (Introduction and Nutrient Management)
- Crop Production Management (Nutrient Management)
- Cropping Patterns
- Crop Protection Management
- Crop Production Management (Irrigation)
- Animal Husbandry and Cattle Farming
- Poultry Farming and Egg and Broiler Production
- Fish Production

- Number System

- Origin & History of Numbers
- Real Numbers - Introduction
- Finding Rational Numbers
- Decimal form to Fraction form
- Polynomials

- Introduction to Polynomials
- Zeros of Polynomials
- Division Algorithm
- Coordinate Geometry

- Introduction
- Pair of linear equations in two variables

- Introduction and Graphical method
- Intersecting Lines problem solving (Graphical Method)
- Introduction to Euclid's Geometry

- Euclids Geometry (Part 1)
- Euclids Geometry (Part 2)
- Lines and Angles

- Different types of Angles
- Lines and Angles Part 1
- Lines and Angles Part 2
- Triangles

- Types of Triangles
- Isosceles Triangle
- Criteria for Similarity and Congruency
- Quadrilaterals

- Introduction & Parallelogram
- Trapezium & Kite
- Theorem Part 1
- Theorem Part 2
- Quadrilaterals
- Mid point Theorem
- Quadrilaterals - Some Stupid Math Mistakes 1 - Quiz
- Quadrilaterals - Some Stupid Math Mistakes 2 - Quiz
- Areas Related to parallelograms

- Area of a parallelogram & Triangle
- Circles

- Introduction to Circles | Parts of Circles
- Theorem (part 1)
- Theorem (part 2)
- Theorem (part 3)
- Constructions

- Constructing Perpendicular bisector of a line
- Division of line segment
- Construct a triangle when its base, one base angle and sum of the other two sides is given
- Heron's formula

- Heron's Formula
- Surface Areas and Volumes

- Surface Area of Cube, Cuboid and Cylinder
- Volume of Cube Cuboid and Cylinder
- Volume of a sphere and hemisphere
- Surface Area Of A Sphere
- Cone & Frustum
- Surface Areas of Right Circular Cylinder | Activity Video
- Amazing Tricks to Understand Mensuration Formulae
- Surface Areas and Volumes - Some Stupid Math Mistakes 1 - Quiz
- Statistics

- Introduction
- Bar Graph
- Tally Marks
- Histogram
- Measures of Central Tendency
- Probability

- Introduction to Probability
- Probability Problem Solving Questions With Solutions - Coin & Ball Experiment - Part 1
- Probability Problem Solving Questions With Solutions - Card & Dice Experiment
- Science Chapter 1

- Matter in Our Surrounding
- Is Matter around Us Pure
- All About Atoms
- Cell-The Fundamental Unit Of Life
- Tissues
- Diversity In Living Organisms
- Motion
- Force and Laws Of Motion
- Gravitation
- Work and Energy
- Sound
- Why do we fall ill
- Natural Resources
- Improvement in Food Resources

- Number System
- Polynomials
- Coordinate Geometry
- Pair of linear equation in two variables
- Introduction to Euclid's Geometry
- Lines and Angles
- Triangles
- Quadrilaterals
- Area related to parallelograms
- Circles
- Constructions
- Heron's Formula
- Surface Area and volumes
- Statistics
- Probability