ENERGY

ENERGY

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Energy is present everywhere. Energy is the ability of an object to transform itself or to produce changes in other objects.

01 WHAT IS ENERGY?

Energy can neither be created nor destroyed, energy can only be transferred from one object to another.

02 ENERGY PROPIERTIES

Energy in the air --- transformed in electricity -- transformed in thermal energy to warm a room

Chemical energy Electrical energy Light energy

03 Energy transformations

MECHANICAL ENERGY

Energy that implies movement.

LIGHT ENERGY

Energy in form of light.

ELECTRICAL ENERGY

Comes from the flow of electrical charge.

THERMAL ENERGY

Energy in the form of heat.

04 FORMS OF ENERGY

SOUND ENERGY

Energy caused by vibrations.

EOLIC ENERGY

Energy that comes from the wind.

SOLAR ENERGY

Energy coming from the sun.

CHEMICAL ENERGY

Is found in substances like food and living things and also in batteries and fuel.

04 FORMS OF ENERGY

ACTIVITY

ACTIVITY

ACTIVITY

ACTIVITY

LET'S PRACTISE!

NON- RENEWABLE ENERGY SOURCES

RENEWABLE ENERGY SOURCES

Examples: - Solar energy - Eolic energy - Hydraulic energy _ Tidal wave energy - Geothermal energy (is generated form the heat stored in the earth)

Renewable energy sources refers to energy sources present in nature: the sun, the wind, the force of water or the inner of the earth are examples of renewable energy sources. They are present in nature and are naturally replenished that's why never run out.

Renewable Energy Sources

Examples:- Coal - Oil - Natural Gas - Nuclear Energy

Non- renewable Energy sources

Non- renewable energy sources refers to limited energy on the planet that don't replenish naturally.They are limited and that's why they may run out with use.

Renewable or non-renewable?

Thanks for your attention!