WHAT IS ENERGY?
Energy is the ability to do work
It cannot be created or destroyed, it can be transformed from one form to another.
TYPES OF ENERGY
POTENTIAL: Energy stored in an object
KINETIC: Energy produced when an object is in movement
MECHANICAL: Potential+Mechanical
FORMS OF ENERGY
Mechanical can be considered type and form of energy
Energy sources
RENEWABLE ENERGY SOURCES: Energy that comes from nature and they will never run out. They are renewed very easily. They are not harm to the environment.
NON-RENEWABLE: Energy that comes from nature but one day they will be finished, because they need many years to be renewed. They can be harm to the environment.
HOW NON-RENEWABLE ENERGY SOURCES CAN HARM TO THE ENVIRONMENT?
OIL SPILLS
AIR POLLUTION
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