9th Physics | Sreeja

June

Measurements

  • Systems of units
  • SI system
  • Fundamental and derived units
  • Significant figures
  • Errors and uncertainties
  • Variation vs error
  • Systematic and random error

Kinematics

  • Equations of motion
  • Drawing and interpreting distance-time graphs
  • Drawing and interpreting velocity-time graphs

July

Dynamics

  • Forces
  • Vector addition
  • Momentum
  • Newton's laws of motion
  • Terminal velocity

August

Energy

  • Energy interconversion
  • Kinetic and Potential energy
  • Work
  • Power

Rotation

  • Moment of force
  • Centre of mass
  • Circular motion

September

Matter

  • Deformations
  • Hooke's law
  • Pressure
  • Hydrostatic pressure
  • Atmospheric pressure
  • Measuring pressure

October, November

Thermal Energy

  • Heat
  • Temperature
  • Kinetic molecular model
  • Recap on different states of matter w.r.t intermolecular spacing
  • Molecular models of pressure and temperature
  • Brownian motion

Thermal expansion

  • Molecular mechanism of expansion
  • Quantitative descriptions of expansion
  • Consequences and applications of thermal expansion

December

Thermometers

  • Measuring temperature using consequences of temperature change
  • Sensitivity, range and linearity
  • Types of thermometers and their mechanisms

Heat transfer

  • Conduction
  • Convection
  • Radiation

January

Gas laws

  • Relation between pressure and volume at constant temperature
  • Relation between pressure and temperature at constant volume
  • Relation between temperature and volume at constant pressure

Specific heat

  • Internal energy
  • Equation
  • Specific heat capacity

February

State changes

  • Evaporation
  • Boiling
  • Melting
  • Sublimation

Latent heat

  • Molecular mechanisms
  • Temperature change during boiling and melting
  • Specific latent heat

March

  • Revision
  • Exams
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