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:lightning:Energy, Brittani, Soraya and Silvia:lightning:, :star:Renewable…
:lightning:Energy, Brittani, Soraya and Silvia:lightning:
🚲Mechanical🚲: Energy of moving parts, of kinetic an potential energy in an object that is used to do work.
:zap:Electrical:zap:: Movement of electrically charged particles, such as electricity and lightning.
:bulb:Light:bulb:: Travels in waves and is formed through chemical,radiation, and mechanical means.
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:musical_score:Sound:musical_score::Travels in waves and is produced when a force causes an object or substance to vibrate.
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Chemical store: Energy that is stored in food, batteries or fuels
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Elastic store: Energy that is stored when an object has changed shape - for example, a spring or elastic band.
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Energy: There are many different types of energy for example, heat and light.The unit is jolue (J).
Fossil fuels:Coal,oil and gas these were formed from dead animal and plants over millions of years.
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Radiation:The transfer of heat as a wave. Heat radiation is affected by surface,colour and texture.
Renewable:Energy sources that will not run out - for example, solar or tidal energy.
Temperature:How hot or cold something is, measured in 0 C.
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Potential energy:This form of energy is stored
in matter and it can be
changed into other types of energy: -Water in a reservoir.
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Mechanical energy:This form of energy is the sum potential and kinetic energy that is used to do work: -A person riding a bicycle.
🔌Electrical energy🔌 This energy comes from the
movement of electrons from
one atom to another: -Lightning a storm.
👩🔬Chemical energy👩🔬: This is released during chemical reactions, such as when fuel burns: petrol in a car engine.
:sunny:Light energy:sunny::
It is natural or artificial energy
that we can see with our eyes: -Light from the Sun and stars.
:musical_note:Sound energy:musical_note::This is from energy is produced from vibrations that we can detect with our ears and bodies: -musical instruments.
:hotsprings:Heat energy:hotsprings:: Heat is thermal energy that flows from warmer objects to cooler objects: -heat from a radiator
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:star:Features:star:
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Colours:Light seens white but is made up of seven different
colours. Objects can reflect or absorb these colours
Refraction:Happens when light chagens direction as it passes from one medium into another. Example: LENS.
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Gas is used to heat our homes and water, to cook our food
We need energy to power our cars. We use diesel,petrol or electricity for fuel.
We use electricity to power lots of things,such as lights,televisions and computers.
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