SCIENCE (Subject Code – 086)

Syllabus for CLASS –IX (2021-22)

COURSE STRUCTURE

TERM – II

CHEMISTRY

Chapter – 3 Atoms and Molecules

Particle nature and their basic units: Atoms and molecules, Law of constant proportions, Atomic and molecular masses. Mole concept: Relationship of mole to mass of the particles and numbers.

Chapter – 4 Structure of Atom

Structure of atoms: Electrons, protons and neutrons, valency, chemical formula of common compounds. Isotopes and Isobars.

PHYSICS

Chapter – 10 Gravitation

Gravitation: Gravitation; Universal Law of Gravitation, Force of Gravitation of the earth (gravity), Acceleration due to Gravity; Mass and Weight; Free fall.

Chapter – 11 Work and Energy

Work, energy and power: Work done by a Force, Energy, power; Kinetic and Potential energy; Law of conservation of energy.

BIOLOGY

Chapter – 13 Why do we fall ill

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.

PRACTICALS

Practicals should be conducted alongside the concepts taught in theory classes.

TERM-II

LIST OF EXPERIMENTS

1. Determination of the density of solid (denser than water) by using a spring balance and a measuring Unit-III:(Chapter–10)
2. Establishing the relation between the loss in weight of a solid when fully immersed in
   1. Tap water
   2. Strongly salty water with the weight of water displaced by it by taking at least two different Unit-III: (Chapter–10)
3. Verification of the law of conservation of mass in a chemical Unit-I: (Chapter–3)

Assessment Areas (Theory) 2021-22 (Class X)

Note:

1. Internal choice would be

Internal Assessment – Term II (10 Marks)

1. Periodic Assessment – 03 marks
2. Multiple Assessment – 02 marks
3. Subject Enrichment (Practical Work) – 03 marks
4. Portfolio – 02 marks