Class 10 Science Notes

Writing and balancing chemical equations; combination, decomposition, displacement, double displacement and redox reactions.

Properties and reactions of acids and bases, pH scale, important salts: common salt, baking soda, washing soda, bleaching powder and plaster of Paris.

Physical and chemical properties, reactivity series, ionic compounds, extraction of metals and corrosion.

Covalent bonding, versatile nature of carbon, homologous series, functional groups, ethanol, ethanoic acid, soaps and detergents.

Nutrition, respiration, transportation and excretion in plants and humans.

Nervous system, reflex arc, the brain, plant movements and hormones, and the human endocrine system.

Variation, asexual reproduction, sexual reproduction in flowering plants and humans, and reproductive health.

Accumulation of variation, Mendel’s experiments, monohybrid and dihybrid crosses, and sex determination.

Spherical mirrors, ray diagrams, mirror formula, refraction, refractive index, lenses, lens formula and power.

Structure of the eye, defects of vision and correction, refraction through a prism, dispersion, atmospheric refraction and scattering.

Current, potential difference, Ohm’s law, resistance and resistivity, series and parallel combinations, heating effect and power.

Magnetic field and field lines, field due to current, force on a conductor, Fleming’s left-hand rule and domestic circuits.

Ecosystem and its components, food chains and webs, trophic levels, the 10 percent law, ozone layer and waste management.