energy assignment
Post on 17-Aug-2015
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TRANSCRIPT
Ammu Mereena John
Presents……
“ENERGY IS THE
CAPACITY TO DO WORK”
TYPES OF ENERGY
Potential energy is
the energy possessed
by an object by virtue of
its position
Kinetic Energy
Kinetic energy is the energy possessed by an object by
virtue of its motion
The total mechanical
energy of an object is the
sum of its potential
energy and kinetic energy
FORMS OF ENERGY
Electrical energySolar energyMagnetic energyChemical energySound energy
ELECTRICAL ENERGY
Electrical energy is the energy carried by moving electrons in an electric
conductor. It cannot be seen , but it is one of our most useful forms of energy because it is relatively easy to transmit
and use
SOLAR ENERGY
Solar energy comes from the sun. The word solar means “comes from the sun”. People use
solar cells that change light energy from the sun into electricity.
Solar calculators .Solar panels to heat swimming pools.
Solar panels that provide light and power appliances in homes or other buildings.
MAGNETIC ENERGY
MAGNETIC ENERGY IS THE REGION IN SPACE IN WHICH MAGNETIC FORCE IS EXPERIENCED. IN MAGNETIC ENERGY
LIKE POLES REPEL AND UNLIKE POLES ATTRACT EACH OTHER.
SOUND ENERGY
Sound is energy in the form of vibrations that travel through matter. When a
vibration reaches a particle of matter, that particle starts to vibrate , too. In this way, sound vibrations can spread out, not just in a straight line
, but in all directions.
CHEMICAL ENERGY
“Energy stored fuel.”It can be release by a chemical reaction , such as burning or digestion . It is needed to change its
potential into kinetic energy.
Our muscles get energy from the food we eat. The potential energy stored in food is chemical energy . When it’s released, it gives us kinetic
energy to move.
LAW OF CONSERVATION OF ENERGY
“Energy can only be converted from one form to another. It can neither be
created nor be destroyed.”
THANK YOU
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