# 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

## 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

• 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

• 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

• Introduction & Parallelogram
• Trapezium & Kite
• Theorem Part 1
• Theorem Part 2
• 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
• 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
• Area related to parallelograms
• Circles
• Constructions
• Heron's Formula
• Surface Area and volumes
• Statistics
• Probability

## Reviews

4.60
Based on 5 reviews
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Himani pachauri – Jul 09, 2020:

My favourite course above all.

Aditia Ghosh – Jul 07, 2020:

Bought this course for my son during lockdown and it is really helpful to him. Thankyou

Broto Das – Jul 06, 2020:

nice course

Chintan bari – Jul 04, 2020:

Very interesting videos. Recommending your course to all my friends. Thankyou

Kusuma Dutta – Jul 02, 2020:

Such good course at such low price. I watched all the videos and it really helped me. Thanks