SUN
WIND
WATER
WAVE
BIOMASS
FOOD
FOSSIL FUEL
NUCLEAR
BATTERY
is energy from the sun that can produce electric energy
to provides us warmth
generated from materials such as uranium to produce electricity
enable electrical appliances to function
energy that stored in food, fossil fuels, biomass and battery
can be obtained from electrical energy, solar energy and chemical energy
moving object / people
objects in high position, being stretched or compress
is energy produced by a vibrating object