The document discusses different types of energy: it defines energy as the ability to produce changes or cause movement. It states that energy cannot be created or destroyed, and can change form through transformation. It describes various forms of energy including light, thermal, sound, kinetic, solar, chemical, and nuclear. Examples are given of energy transformation from chemical to kinetic to thermal. Renewable energy sources like solar, wind and hydraulic are defined as natural resources that replenish, whereas non-renewable sources like coal, petroleum and natural gas are limited and cause pollution.

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PRIMARY | SOCIAL AND NATURAL SCIENCES 6 © Oxford University Press España, S.A.
ENERGY

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PRIMARY | SOCIAL AND NATURAL SCIENCES 6 © Oxford University Press España, S.A.
ENERGY
WHAT IS ENERGY?
• Energy is the ability of an
object to transform itself or to
produce changes in other
objects.

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PRIMARY | SOCIAL AND NATURAL SCIENCES 6 © Oxford University Press España, S.A.
ENERGY
• Energy cannot be created or destroyed.
• Energy can pass from one object to another.
• Energy can change from one form to another.
( energy transformation)

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PRIMARY | SOCIAL AND NATURAL SCIENCES 6 © Oxford University Press España, S.A.
ENERGY
Forms of energy
• Depending on the changes that energy
produces we can classify it into:
• Light Energy: energy in the form of light
• Thermal Energy: energy in the form of heat
• Sound Energy: energy caused by vibrations
• Kinetic Energy: energy that implies movement
• Solar Energy: energy coming from the sun
• Chemical Energy: energy in the components of
certain substances
• Nuclear Energy: energy produced by the atoms of
elements like uranium

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PRIMARY | SOCIAL AND NATURAL SCIENCES 6 © Oxford University Press España, S.A.
ENERGY
Examples of energy
transformation:

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PRIMARY | SOCIAL AND NATURAL SCIENCES 6 © Oxford University Press España, S.A.
ENERGY
Chemical
Kinetic
Potential
Kinetic
Thermal

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PRIMARY | SOCIAL AND NATURAL SCIENCES 6 © Oxford University Press España, S.A.
ENERGY

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PRIMARY | SOCIAL AND NATURAL SCIENCES 6 © Oxford University Press España, S.A.
ENERGY
Renewable Energy
• Renewable sources of energy are natural
resources that nature replaces automatically.
• They are unlimited.

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PRIMARY | SOCIAL AND NATURAL SCIENCES 6 © Oxford University Press España, S.A.
ENERGY
Non-renewable Energy
• Non-renewable sources of energy are limited
because nature doesn’t replace them.
• They also cause pollution.

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PRIMARY | SOCIAL AND NATURAL SCIENCES 6 © Oxford University Press España, S.A.
ENERGY
can come from
Coal
Potential energy
Chemical energy
Kinetic energy
exists in different
forms
ENERGY
Electrical energy
Thermal energy
Light energy
Nuclear energy
Petroleum
Natural gas
Uranium
Solar energy
Wind energy
Hydraulic energy
Biofuels
NON-RENEWABLE
SOURCES
RENEWABLE
SOURCES

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PRIMARY | SOCIAL AND NATURAL SCIENCES 6 © Oxford University Press España, S.A.
ENERGY
• https://www.youtube.com/watch?v=yZSvHc0
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