Through these experiments, you concluded that:

1. Energy can be converted from one form to another. In this Investigation, electrical energy was converted to light energy, and light energy was converted into heat energy. Electric potential energy was converted to kinetic energy in the forms of light and heat. An increase in electrical energy (40W to 100 W) showed an increase in both light energy (260 lux to 860 lux) and heat energy (temperature change of 17ºC to 39 ºC.

2. The Law of Conservation of Energy says that energy can be converted from one form to another. An increase in electrical energy showed an increase in both light energy and heat energy. The direct relationship between wattage (electrical energy), lux (light energy), and temperature change (heat energy) indicates that energy was conserved. If the Law of Conservation of Energy was not followed, there would not be a direct relationship between the energy conversions.