Chapter-1 MATTER IN OUR SURROUNDING

  1. Definition of matter
  2. Properties of particles of matter
  3. solid, liquid and gas
  4. characteristics – shape, volume, density
  5. change of state-melting (absorption of heat), freezing, evaporation (cooling by evaporation), condensation, sublimation.
  6. Factors and effects of evaporation.

Chapter -2 IS MATTER AROUND US PURE?

  1. Elements, compounds and mixtures.
  2. Heterogeneous and homogenous mixtures,
  3. Colloids and suspensions.
  4. Techniques to separate components of a mixture
  5. Evaporation crystallization sublimation chromatography distillation fractional distillation separation by separating funnel
  6. Fractional distillation of air

Chapter -3 ATOMS AND MOLECULES

  1. Atoms and molecules,
  2. Law of constant proportions,
  3. Atomic and molecular masses.
  4. Formula of chemical compounds
  5. Mole concept:
  6. Relationship of mole to mass of the particles and numbers.

Chapter-4 STRUCTURE OF ATOM

  1. Discovery of Electrons, protons and neutrons,
  2. valency,
  3. Thomson’s atomic model
  4. Rutherford’s atomic model
  5. Bohr’s atomic model
  6. chemical formula of common compounds.
  7. Isotopes and Isobars.

Chapter-5 THE FUNDAMENTAL UNIT OF LIFE

  1. Cell – Basic Unit of life
  2. History of discovery of cell
  3. prokaryotic and eukaryotic cells,
  4. multicellular organisms;
  5. cell membrane and cell wall,
  6. cell organelles
  7. Chloroplast, mitochondria, vacuoles, endoplasmic reticulum, Golgi apparatus; nucleus,
  8. chromosomes – basic structure, number.
  9. Difference between plant and animal cell

Chapter-6 TISSUES

  1. Basic concept of tissue and labour division
  2. Structure and functions of animal and plant tissues (only four types of tissues in animals;
  3. Epithelial tissue
  4. Connective tissue
  5. Muscular tissue
  6. Nervous tissue
  7. Meristematic and Permanent tissues in plants).
  8. Structure of xylem and phloem

Chapter-7 DIVERSITY IN LIVING ORGANISMS

  1. Diversity of plants and animals
  2. Basic issues in scientific naming,
  3. basis of classification.
  4. Hierarchy of categories / groups,
  5. Major groups of plants (salient features)
  6. Thallophyta, Bryophyta, Pteridophyta, Gymnosperms and Angiosperms).
  7. Major groups of animals (salient features) (Non-chordates upto phyla and chordates upto classes).

Chapter-8 MOTION

  1. Concept of motion
  2. Distance and displacement,
  3. Speed and velocity;
  4. uniform and non-uniform motion along a straight line
  5. acceleration,
  6. Distance-time and velocity-time graphs for uniform motion and uniformly accelerated motion,
  7. Derivation of equations of motion by graphical method
  8. elementary idea of uniform circular motion.

Chapter-9 FORCE AND LAWS OF MOTION

  1. Force and Motion,
  2. Newton’s Laws of Motion
  3. Action and ReaMotionforces
  4. Inertia of a body, Inertia and mass,
  5. Momentum,
  6. Force and Acceleration.
  7. Elementary idea of conservation of Momentum.

Chapter -10 GRAVITATION

  1. Gravitation
  2. Universal Law of Gravitation,
  3. Force of Gravitation of the earth (gravity),
  4. Acceleration due to Gravity;
  5. Mass and Weight;
  6. Free fall.
  7. Floatation
  8. Thrust and Pressure.
  9. Archimedes’ Principle;
  10. Buoyancy;
  11. Elementary idea of Relative Density.

Chapter -11 WORK AND ENERGY

  1. Work, energy and power:
  2. Work done by a Force,
  3. Balanced and unbalanced forces
  4. Energy
  5. Kinetic and Potential energy
  6. Law of conservation of energy.
  7. Concept of power

Chapter-12 SOUND

  1. Sound: Nature of sound and its propagation in various media,
  2. speed of sound
  3. Range of hearing in humans
  4. ultrasound; reflection of sound; echo and SONAR.
  5. Structure of the Human ear (Auditory aspect only).

Chapter-13 NATURAL RESOURCES

  1. Physical resources: Air, Water, Soil.
  2. Air for respiration, for combustion, for moderating temperatures
  3. movements of air and its role in bringing rains across India.
  4. Air, water and soil pollution (brief introduction).
  5. Holes in ozone layer and the probable damages.
  6. Bio-geo chemical cycles in nature: Water, Oxygen, Carbon and Nitrogen.
  7. Plant and animal breeding and selection for quality improvement and management; Use of
  8. fertilizers and manures; Protection from pests and diseases; Organic farming.

Chapter-14 WHY DO WE FALL ILL?

  1. Health and its failure.
  2. Infectious and Non-infectious diseases,
  3. their causes and manifestation.
  4. Diseases caused by microbes (Virus, Bacteria and Protozoans)
  5. Principles of treatment and prevention.
  6. Immunization and vaccination
  7. Pulse Polio programmes.