Deleted 10th Science (Theory)

Under Unit I: Chemical Substances – Nature and Behavior

  • Metals and Non-metals: Basic Metallurgical processes; Corrosion and its prevention
  • Carbon and its Compounds: Nomenclature of carbon compounds containing functional groups (halogens, alcohol, ketones, aldehydes, alkanes, and alkynes), the difference between saturated hydrocarbons and unsaturated hydrocarbons. Chemical properties of carbon compounds (combustion, oxidation, addition, and substitution reaction). Ethanol and Ethanoic acid (only properties and uses), soaps, and detergents.

Under Unit II: World of Living

  • Control and co-ordination in animals and plants: Tropic movements in plants; Introduction of plant hormones; Control and co-ordination in animals: Nervous system; Voluntary, involuntary and reflex action; Chemical co-ordination: animal hormones.
  • Heredity and Evolution: The Basic concepts of evolution.

Under Unit III: Natural Phenomena

  • The Human Eye and the Colorful World: Functioning of a lens in the human eye, defects of vision and their corrections, applications of spherical mirrors and lenses.

Under Unit IV: Effects of Current

  • Magnetic Effects of Electric Current: Electric Generator, Direct current. Alternating current: frequency of AC. Advantage of AC over DC. Domestic electric circuits.

Under Unit V: Natural Resources

  • Sources of energy: Different forms of energy, conventional and non-conventional sources of energy: Fossil fuels, solar energy; biogas; wind, water, and tidal energy; Nuclear energy. Renewable versus non-renewable sources of Energy.

Updated: Deleted 10th Science Practicals

1. Finding the pH of the following samples by using pH paper/universal indicator:

  • Dilute Hydrochloric Acid
  • Dilute NaOH solution
  • Dilute Ethanoic Acid solution
  • Lemon juice
  • Water
  • Dilute Hydrogen Carbonate solution

2. Determination of the equivalent resistance of two resistors when connected in series and parallel.

3. Preparing a temporary mount of a leaf peel to show stomata.

4. Study of the following properties of acetic acid (ethanoic acid):

  • Odor
  • Solubility in water
  • Effect on litmus
  • Reaction with Sodium Hydrogen Carbonate

5. Study of the comparative cleaning capacity of a sample of soap in soft and hard water.

6. Finding the image distance for varying object distances in case of a convex lens and drawing corresponding ray diagrams to show the nature of the image formed.

7. Identification of the different parts of an embryo and a dicot seed (Pea, gram, or red kidney bean).