Energy and work done

Conservation of energy

SI unit= Joule

The impacts on the environment

Air pollution

Changes to the earth's surface

Harming to the wildlife

Force to relocation of people

What is energy?

Energy is the ability to do work

Sources of energy

Non-renewable/ fossil fuels

natural gas

Oil

Coal

Renewable

wind energy

Solar energy

Tidal energy

Hydroelectricity

Geothermal energy

Biomass

Work

conditions

The force

Motion in the direction of the force

Distance moved