Class 9 science is an initial step towards exploring the world of science. if you tackle the class 9 science syllabus precisely then the further steps will seem like a piece of cake that you will enjoy studying. The following article will enlighten you about class 9 science and its syllabus.
CBSE Class 9 Maths Revised Syllabus for 2020-21
Class 9 science syllabus includes:
Unit I: Matter – Its Nature and Behaviour
a. Nature of Matter –
i. Colloids and suspensions
ii. Homogenous and heterogeneous mixtures
iii. Elements, compounds, and mixtures
b. Particle Nature and Basic Units –
i. Law of Constant Proportions
ii. Molecules and atoms
iii. Mole concept
iv. Molecular and atomic masse
c. Structure of Atoms –
i. Valency
ii. Protons, electrons and neutrons
iii. Isotopes and Isobars
iv. Chemical formula and common compounds
Unit II: Organisation in the Living World
a. Tissues, Organs, Organ System, Organism –
i. Structure and functions of plant and animal tissues
ii. Four types of tissues in plants
iii. Meristematic and Permanent tissues in plants
b. Biological Diversity –
i. Basis of classification
ii. Diversity of plants and animals
iii. Major group of animals (Non-chordates up to phyla and chordates up to classes)
iv. Major groups of plants (Bacteria, Thallophyta, Bryophyta, Pteridophyta, Gymnosperms, and Angiosperms)
c. Health and Diseases –
i. Pulse Polio programs
ii. Diseases caused by microbes and their prevention
iii. Infectious and Non-Infectious diseases
iv. Treatment and prevention
Unit III: Motion, Force, and Work
a. Motion –
i. Acceleration, distance-time, and velocity-time graphs for uniform motion and uniformly accelerated motion
ii. Uniform and non-uniform motion along a straight line
iii. Elementary idea of uniform circular motion
iv. Derivation of equations of motion by graphical method
v. Distance, displacement, and velocity
b. Force and Newton’s Laws –
i. Force and Motion
ii. Action and Reaction forces
iii. Inertia of a body
iv. Newton’s Laws of Motion
v. Inertia and mass
vi. Momentum
vii. Elementary idea of conservation of Momentum
viii. Force and Acceleration
c. Gravitation–
i. Acceleration due to Gravity
ii. Universal Law of Gravitation
iii. Gravity
iv. Freefall
v. Mass and Weight
d. Floatation–
i. Thrust and Pressure, Archimedes’ Principle
ii. Elementary idea of Relative Density
iii. Buoyancy
iv. Work, Energy and Power
v. Work done by a force, energy, power
vi. Law of Conservation of Energy
vii. Kinetic and Potential energy
e. Sound –
i. Nature of sound and its propagation in various media, speed of sound, range of hearing in humans
ii. Reflection of sound
iii. Ultrasound
iv. Echo and Sonar
Unit IV: Our Environment
a. Physical Resources –
i. Air, water, and soil
ii. Pollution of air, water, and soil.
b. Bio-Geo Chemical Cycles in Nature –
i. Water
ii. Oxygen
iii. Carbon
iv. Nitrogen
Unit V: Food and Food Production
i. Plant and animal breeding
ii. Organic farming
iii. Use of fertilizers and manures
iv. Protection from pests and diseases
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