Force and Pressure:

• Force and its effects
• Pressure
• Archimedes’ principle
  
  

Light:

• Reflection and refraction of light
• Spherical mirrors
• Lenses
  
  

Human Eye and Colourful World:

• Structure of the human eye
• Refraction of light through a prism
• Dispersion of white light

Electricity and Magnetism:

• Electric current and circuits
• Ohm’s law
• Magnetic effects of current