10.2 - Efficient and inefficient energy uses

10.2 - Efficient and inefficient energy uses

1. Microwave oven

   • Thermal energy of food
   • Heating air in the oven, plates cups, e.t.c.

2. Television

   • light and sound
   • heating the television and surrounding air

3. Hairdryer

   • thermal and kinetic energy of air
   • Sound produced

4. Electric cooktop

   • thermal energy for food
   • light and heating the surrounding area