This Chapter contains topics like Hot and Cold, Temperature and its Measurements, Laboratory Thermometer, Heat Transfer by Conduction, Heat Transfer by Convection, and Kinds of Clothes we wear in Summer and Winter.
This Chapter contains topics like Air Exerts Pressure, Low Pressure due to High Speed Wind, Effect of Heat on Air, Effects of Uneven Heating on the Earth, Thunderstorms and Cyclones, Destruction Caused by Cyclones, etc.
This Chapter contains topics like Symbols of Electronic Components, Heating Effect of Electric Current, Magnetic Effect of Electric Current, Electromagnet, and Electric Bell.
This Chapter contains topics like Light travels along a straight line, Reflection of Light, Images formed by Spherical Mirrors, Images formed by Lenses, Sunlight : White or Coloured, and Image Formed by Plane Mirror.
