SCIENCE : CLASS 9
VIDEO LESSONS
NOTES
FROM
CHAPTER 1
TO
CHAPTER 15
ASSIGNMENTS
TOTAL 15 ASSIGNMENTS
TESTS
CHAPTER-WISE
15 TESTS (30 MARKS)
UNIT-WISE
4 TESTS (40 MARKS)
MAJOR TESTS
2 TESTS (70 MARKS)
SYLLABUS
Unit I: Matter – Its Nature & Behaviour
Chapter I: Definition of Matter
- Definition of matter
- Solid, liquid and gas
- Characteristics – shape, volume, density
- Change of state-melting (absorption of heat)
- Freezing
- Evaporation (cooling by evaporation)
- Condensation
- Sublimation
Chapter II: Nature of Matter
- Elements
- Compounds
- Mixtures
- Heterogenous and homogenous mixtures
- Colloids and suspensions
Unit II: Organisation in the Living World
Chapter I: Cell – Basic Unit of life
Cell as a basic unit of life
Prokaryotic and eukaryotic cells
Multicellular organisms
Cell membrane and cell wall
Cell organelles; chloroplast, mitochondria, vacuoles, endoplasmic reticulum, Golgi apparatus, nucleus
Chromosomes – basic structure, number
Chapter II: Tissues, Organs, Organ System, Organism
Structure and functions of animal and plant tissues
Types of Tissue (four types in animals; meristematic and permanent tissues in plants)
Unit III: Motion, Force and Work
Chapter I: Motion
Distance and displacement
Velocity
Uniform and non-uniform motion along a straight line
Acceleration
Distance-time and velocity-time graphs for uniform motion and uniformly accelerated motion
Equations of motion by graphical method
Elementary idea of uniform circular motion
Chapter II: Force and Newton’s Laws
- Force and motion
- Newton’s laws of motion
- Inertia of a body, inertia and mass, momentum, force and acceleration
- Elementary idea of conservation of momentum
- Action and reaction forces
Chapter III: Gravitation
- Gravitation
- Universal law of gravitation
- Force of gravitation of the earth (gravity)
- Acceleration due to gravity
- Mass and weight
- Free fall
Unit V: Food Production
Chapter I: Plant and Animal
Plant and animal breeding and selection for quality improvement and management
Use of fertilizers, manures
Protection from pests and diseases
Organic farming
Second Term Course Syllabus
Unit I: Matter – Its Nature and Behaviour
Chapter III: Particle nature, basic units
- Atoms and molecules
- Law of constant proportions
- Atomic and molecular masses
Chapter IV: Mole Concept
- Relationship of mole to mass of the particles and numbers
- Valency
- Chemical formula of common compounds
Chapter V: Structure of atom
- Electrons, protons and neutrons
- Isotopes
- Isobars
Unit II: Organisation in the Living World
Chapter III: Biological Diversity
Diversity of plants and animals – basic issues in scientific naming, basis of classification
Hierarchy of categories / groups, Major groups of plants (salient features) (Bacteria, Thalophyta, Bryo phyta, Pteridophyta, gymnosperms and Angiosperms)
Major groups of animals (salient features) (Non-chordates up to phyla and chordates up to classes)
Chapter IV: Health and Diseases
Health and its failure
Infectious and Non-infectious diseases, their causes and manifestation
Diseases caused by microbes (Virus, Bacteria and protozoans) and their prevention, Principles of treatment and prevention. Pulse Polio programmes
Unit III: Motion, Force and Work
Chapter IV: Floatation
- Thrust and pressure
- Archimedes’ principle
- Buoyancy
- elementary idea of relative density
Chapter V: Work, energy and power
- Work done by a force, energy, power
- Kinetic and potential energy
- Law of conservation of energy
Chapter VI: Sound
Nature of sound and its propagation in various media, speed of sound, range of hearing in humans
Ultrasound
Reflection of sound; echo and SONAR
Structure of the human ear (auditory aspect only)
Unit IV: Our Environment
Chapter I: Physical Resources
- Air, Water, Soil
- Air for respiration, for combustion, for moderating temperatures
- Movements of air and its role in bringing rains across India
- Air, water and soil pollution (brief introduction)
- Holes in ozone layer and the probable damages
Chapter II: Bio-geo chemical cycles in nature
- Water
- Oxygen
- Carbon
- Nitrogen
Practical Topics: First Term
Test
- The presence of starch in the given food sample
- The presence of the adulterant metanil yellow in dal
Prepare
A true solution of common salt, sugar and alum
A suspension of soil, chalk powder and fine sand in water
A colloidal solution of starch in water and egg albumin/milk in water and distinguish between these on the basis of −
Transparency
Filtration criterion
Stability
Prepare
- A mixture
- A compound
By using iron filings and sulphur powder, distinguish between these on the basis of −
- Appearance, i.e., homogeneity and heterogeneity
- Behaviour towards a magnet
- Behaviour towards carbon disulphide as a solvent
- Effect of heat
Carry out the following reactions and classify them as physical or chemical changes:
Iron with copper sulphate solution in water
Burning of magnesium in air
Zinc with dilute sulphuric acid
Heating of copper sulphate
Sodium sulphate with barium chloride in the form of their solutions in water
Prepare stained temporary mounts of:
Onion peel and
Human cheek cells and to record observations and draw their labeled diagrams
Identify
- Parenchyma and sclerenchyma tissues in plants
- Stripe muscle fibers and nerve cells in animals
- Prepare slides and to draw their labeled diagrams
Separate
- Components of a mixture of sand
- Common salt and ammonium chloride (or camphor) by sublimation
Determine
- Melting point of ice
- Boiling point of water
Establish
Relationship between weight of a rectangular wooden block lying on a horizontal table and the minimum force required to just move it using a spring balance
Determine
- Mass percentage of water imbibed by raisins
Practical Topics: Second Term
Verify
- Laws of reflection of sound
Determine
Density of solid (denser than water) by using a spring balance and a measuring cylinder
Establish
Relation between the loss in weight of a solid when fully immersed in
Tap water
Strongly salty water, with the weight of water displaced by it by taking at least two different solids
Observe and compare
Pressure exerted by a solid iron cuboid on fine sand/ wheat flour while resting on its three different faces and to calculate the pressure exerted in the three different cases.
Determine
- Velocity of a pulse propagated through a stretched string/slinky.
Study
Characteristic of Spirogyra/Agaricus, Moss/Fern, Pinus (either with male or female cone) and an Angiospermic plant
Draw and give two identifying features of the groups they belong to
Observe
Given pictures/charts/models of earthworm, cockroach, bony fish and bird. For each organism, draw their picture and record −
One specific feature of its phylum
One adaptive feature with reference to its habitat
Verify
- Law of conservation of mass in a chemical reaction
Study the external features of:
- Root
- Stem
- Leaf and
- Flower of monocot and dicot plants
Study
- Life cycle of mosquito