This chapter covers topics, such as Kinds of Clothes We Wear in Summer and Winter, Heat Transfer by Conduction, Hot and Cold, Heat Transfer by Convection, Temperature and Its Measurements, and Laboratory Thermometer.
This chapter covers topics, such as Thunderstorms and Cyclones, Air Exerts Pressure, Effect of Heat on Air, Effective Safety Measures, Destruction Caused by Cyclones, and Role of Advanced Technology in Cyclone Warning.
This chapter covers topics, such as Heating Effect of Electric Current, Electric Bell, Electromagnet, Magnetic Effect of Electric Current, and Symbols of Electronic Components.
This chapter covers topics, such as Light Travels along a Straight Line, Reflection of Light, Images formed by Lenses, Sunlight : White or Coloured, Images formed by Spherical Mirrors, and Image Formed by Plane Mirror.
