Science (Class 10) Study Materials

A chemical reaction involves the rearrangement of atoms in reactants to form new substances (products) with different properties.

pH scale, neutralisation, salts — NaCl, NaOH, Na2CO3, bleaching powder, and plaster of Paris.

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

Covalent bonds, organic nomenclature, saturated/unsaturated, soaps, detergents.

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

Nervous system, reflex action, hormones, endocrine glands, and chemical coordination in plants.

Asexual reproduction, sexual reproduction in plants and humans, and reproductive health.

Mendel's laws, chromosomes, acquired traits, evolution, speciation, and fossil record.

Laws of reflection, image formation by mirrors, refraction, lenses, and eye defects.

Electricity involves the flow of electric charge (current) through conductors, governed by Ohm's law, and described by circuits with resistance, voltage, and power relationships.

Electromagnets, motor, generator, and AC vs DC.

Ecosystems, food webs, ozone layer, water harvesting, coal, petroleum, and conservation.