Class 9 - Science

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SYLLABUS

Unit–1: Measurements and Experimentation

SI units – Least count – Vernier calipers – Screw gauge – Simple pendulum – Experimental techniques.

Unit–2: Motion in One Dimension

Scalar quantities – Vector quantities – Speed – Velocity – Acceleration – Equations of motion.

Unit–3: Laws of Motion

Force – Contact forces – Non-contact forces – Newton’s laws of motion – Inertia – Momentum.

Unit–4: Fluids

Thrust – Pressure – Archimedes’ principle – Relative density – Atmospheric pressure.

Unit–5: Heat and Energy

Temperature – Expansion of water – Energy resources – Global warming – Heat concepts.

Unit–6: Light and Sound

Reflection of light – Plane mirrors – Spherical mirrors – Ray diagrams – Sound production – Propagation of sound – Speed of sound.

Unit–7: Electricity and Magnetism

Electric circuits – Static electricity – Magnetism – Induced magnetism.

Science (Chemistry)

Unit–1: Language of Chemistry

Symbols – Valency – Chemical formulae – Balancing equations – Relative molecular mass.

Unit–2: Chemical Changes and Reactions

Synthesis reactions – Decomposition reactions – Displacement reactions – Double displacement reactions – Energy transformations.

Unit–3: Water

Properties of water – Hard water – Soft water – Hydrated crystals – Drying agents.

Unit–4: Atomic Structure and Bonding

Subatomic particles – Atomic number – Mass number – Isotopes – Octet rule – Electrovalent bonding – Covalent bonding.

Unit–5: Periodic Table

Modern periodic law – Groups 1, 2, 16, 17 and 18 – Periodic trends.

Unit–6: Hydrogen

Preparation of hydrogen – Properties of hydrogen – Oxidation and reduction.

Unit–7: Environmental Chemistry

Atmospheric pollution – Acid rain – Greenhouse effect – Ozone depletion.

Science (Biology)

Unit–1: Basic Biology

Cell – Unit of life – Plant tissues – Animal tissues.

Unit–2: Flowering Plants

Root – Stem – Leaf – Flower – Pollination – Fertilisation.

Unit–3: Plant Physiology

Seed structure – Germination – Growth and development in plants.

Unit–4: Diversity in Living Organisms

Five kingdom classification – Bacteria – Fungi – Economic importance.

Unit–5: Human Anatomy and Physiology

Nutrition – Digestion – Skeleton system – Movement and locomotion – Skin – Respiratory system.

Unit–6: Health, Hygiene and Waste Management

Communicable diseases – WHO – Red Cross – Waste management – Safe disposal methods