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  Grade IX-Physics

Energy

  • Laws of conservation of mass
  • Laws of conservation of energy
  • Sources of energy
  • Kinetic energy
  • Potential energy
  • Interaction of matter and energy
  • Pendulum - period and other problems
  • Work done on or by a system - power
  • Forms of energy
  • Momentum
  • Production of electricity
  • Thermal and electrical conductivity
  • Effects of heating and cooling processes in systems

Heat and Thermodynamics

  • Forms of energy transfer
  • Thermal energy
  • Heat transfer

Waves

  • Basic wave properties
  • Wave types
  • Electromagnetic radiation
  • Properties of waves
  • Mechanical waves
  • Acoustic principles

Electricity and Magnetism

  • Electric circuits
  • Ohm's Law
  • Electric and magnetic fields
  • Force on a charged particle in an electric field
  • Right-hand rule to find the direction of the force
  • Electric and gravitational potential energy
  • Electricity and magnetism
  • Types of circuits

Force and Motion

  • Acceleration - change in velocity
  • Influence of mass and distance on gravitational forces
  • Electrical forces between two charged objects
  • Nuclear force and electromagnetic force
  • Electric forces acting between atoms/molecules
  • Problems in constant speed and average speed
  • Problems in constant speed and average speed
  • Universal law of gravitation; Earth’s gravitational force
  • Equilibrium, friction; centripetal force/acceleration
  • Effects caused by changing force or distance
  • Advantage/efficiency of simple machines

Mechanics

  • Vector/scalar quantities
  • Elements, compounds and mixtures
  • Properties of fluids
  • Historical development of the atomic theory
  • Physical/chemical changes in matter
  • Nuclear reactions

 

 
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