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Unit 6:Light and sound
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de todo Science Mapa Mental sobre Unit 6:Light and sound, creado por lidiavillarreal el 31/03/2014.
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Resumen del Recurso
Unit 6:Light and sound
Enegy
It is the ability to do work
Most of the enrgy comes from the sun
Forms energy:Light,Sound and Electricity
We transform enrgy from one to another
Different types of enrgy
Solar enrgy
It comes from the sun
Solar panels transform solar enrgy into heat and electricity
Wind enrgy
It comes from the wind
Windmills transform wind enrgy into electricity
Hydropower energy
It comes from the moving water
We transform the enrgy of moving water into electricity
Thermal enrgy
heat enrgy
It is inside every substance
Geothermal energy
It comes from the Earth`core
We transform geothermal energy into electricity
Biomass
It is organic material made from living organisms.Example=rubbish,wood,crops
We transform biomass into heat and other products(gases and fuels
Mechanical energy
It`s produced by objects in motion
Example=Wind enrgy
Chemical energy
It comes from chemical reactions
Petroleum and natural gas produca chamical energy
Electrical energy
It comes from electrons
Renewable energy sources
You can use again and again
They are no going to disappear
Thet are good for the enviroment
Sun,Wind,Hyfropower...
Non-renewlable energy sources
You can use them once
They can disappear
They are bad for the enviroment
Natural gas,oil,coal...
Nuclear energy
Atom=Form every object
We use nuclear energy to produce electricity
Coal
Combustible rock
Plants
Cola-mines=We use coal to produce heat and electricity
Oil
Of animal and plants
Oil=petroleum-petrol
We use oil to produce electricity and petrol
Natural gas
Ch4
Of animals and plants
We uise oil to produce electricity and petrol
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