ENERGY

WHAT IS ENERGY

FORMS OF ENERGY

• Kinetic
• Potential
• Thermal
• Chemical
• Sound
• Nuclear
• Electrical etc

RENEWABLE VS NON-RENEWABLE

• R energy does not run out
• NR energy is limited

For example...
Renewable: solar, wind
Non-renewable: fossil fuel,

WHY WE SHOULD USE R ENERGY

HOW IS ELECTRICITY PRODUCED

HYDROELECTRICITY

• Uses the movement of water. Converts the kinetic energy in a turbine to electrical energy.
• Three gorges

PROS

• Advantages include its renewability, reliability, and lack of people pollution made

CONS

• Are generally expensive to make. Also can harm environment due to intervening of natural flow of water