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- 1. ENERGYENERGY Eduardo C.DEduardo C.D NoaL.CNoa L.C Diego M.VDiego M.V Elena G.HElena G.H
- 2. STUDENT 1ºSTUDENT 1º Typesof forms of energy:Types of forms of energy: • Kinetic energyKinetic energy • Gravitational potential energyGravitational potential energy • Thermal or caloric energyThermal or caloric energy • Chemical energyChemical energy • Electric energyElectric energy • Light energyLight energy • Sound energySound energy
- 3. ENERGYENERGY SOURCESSOURCES• Fossil fuelFossilfuel • Primary and secondary energy sourcesPrimary and secondary energy sources • Renewable - non renewable energyRenewable - non renewable energy sourcessources • The origins of the energy sourcesThe origins of the energy sources
- 4. KINETIC ENERGYKINETIC ENERGY • It is defined as the It is defined as the workwork needed to needed to accelerate a body of a given mass fromaccelerate a body of a given mass from rest to its stated rest to its stated velocityvelocity ..
- 5. GRAVITATIONAL POTENTIALGRAVITATIONAL POTENTIAL ENERGYENERGY •This is the energy of an object due to itsThis is the energy of an object due to its height above the ground .height above the ground .
- 6. THERMAL OR CALORICTHERMALOR CALORIC ENERGYENERGY • This energy is due to temperatureThis energy is due to temperature • Thermal radiation in visible light can beThermal radiation in visible light can be seen on this hot metalwork.seen on this hot metalwork. Caloric energyCaloric energy the quantity of heat produced by thethe quantity of heat produced by the complete combustion of a given mass of acomplete combustion of a given mass of a fuel, usually expressed in joules perfuel, usually expressed in joules per kilogram kilogram
- 7. CHEMICALCHEMICAL ENERGYENERGY • Is thetransformation through a chemicalIs the transformation through a chemical reaction or throught other transformationreaction or throught other transformation into chemical substancesinto chemical substances
- 8. ELECTRICELECTRIC ENERGYENERGY • Is energyderivation from Is energy derivation from electricalelectrical potentialpotential energyenergy . Is simply flow of. Is simply flow of electrons. The movement of theseelectrons. The movement of these electrons has the capacity to makeelectrons has the capacity to make lightbulbs and electrical applianceslightbulbs and electrical appliances work.work.
- 9. LIGHT ENERGYLIGHT ENERGY • Is the Is the energyenergy of of electromagneticelectromagnetic radiationradiation . The light heat up the temperatures of the. The light heat up the temperatures of the objects that are exposed to it rays, thisobjects that are exposed to it rays, this energy of the sun is use to make electricenergy of the sun is use to make electric current.current.
- 10. SOUNDSOUND ENERGYENERGY • Sound energySoundenergy is a is a formform ofof energyenergy associated with the associated with the vibrationvibration or or disturbance of matter. Sound is a vibrationdisturbance of matter. Sound is a vibration in the environment that transports energyin the environment that transports energy..
- 11. FOSSIL FUELFOSSIL FUEL •Fossil fuelsFossil fuels are are fuelsfuels formed by natural formed by natural processes such as processes such as anaerobicanaerobic decompositiondecomposition of buried dead organisms. of buried dead organisms. • (petroleum derivatives, coal, and gas)(petroleum derivatives, coal, and gas) have things in common: they come fromhave things in common: they come from organic material (animal and vegetable).organic material (animal and vegetable).
- 12. PRIMARY AND SECONDARYPRIMARYAND SECONDARY ENERGY SOURCESENERGY SOURCES • PRIMARY ENERGY SOURCESPRIMARY ENERGY SOURCES They are found in nature: Sun, wind, coal,They are found in nature: Sun, wind, coal, petroleum, gas, waves, heat of earth,petroleum, gas, waves, heat of earth, tides, firewood, uranium .tides, firewood, uranium .
- 13. SECONDARY ENERGYSECONDARY ENERGY SOURCESSOURCES •They are not found in nature; they areThey are not found in nature; they are produced by means of a technologicalproduced by means of a technological process: gasoline, electricity, hydrogen.process: gasoline, electricity, hydrogen.
- 14. RENEWABLE AND NON-RENEWABLEAND NON- RENEWABLE ENERGYRENEWABLE ENERGY SOURCESSOURCES RENEWABLE ENERGY SOURCESRENEWABLE ENERGY SOURCES • energy that comesenergy that comes from resources which come fromfrom resources which come from nature and they don´t run out. The ratenature and they don´t run out. The rate of consumption is lower than the rate ofof consumption is lower than the rate of production: Sun, wind, waves, tides,production: Sun, wind, waves, tides, biomass, water, earth heat.biomass, water, earth heat.
- 15. ADVANTEGES RENEWABLEADVANTEGES RENEWABLE ENERGYSOURCESENERGY SOURCES • It will never run out.It will never run out. • It require less maintenance than traditionalIt require less maintenance than traditional generators.generators. • It derived from natural and availableIt derived from natural and available resources that reduces the costs ofresources that reduces the costs of operation.operation.
- 16. DISADVANTEGESDISADVANTEGES • it isdifficult to generate the quantitiesit is difficult to generate the quantities of of electricityelectricity that are as large as those that are as large as those produced by traditional fossil fuelproduced by traditional fossil fuel generators.generators.
- 17. NON-RENEWABLE ENERGYNON-RENEWABLE ENERGY SOURCESSOURCES •They are fuels made up of pollutantsThey are fuels made up of pollutants resources. The rate of consumption isresources. The rate of consumption is higher than the rate of production:higher than the rate of production: uranium, coal, gas, and petroleum .uranium, coal, gas, and petroleum .
- 18. ADVANTAGES ANDADVANTAGES AND DISAVANTEGESDISAVANTEGES • Our supplies will be safe for futureOur supplies will be safe for future generations. generations. • One disadvantage is that non-renewableOne disadvantage is that non-renewable energy is causing damage to ourenergy is causing damage to our environment.environment.
- 19. ORIGINS OF ENERGYORIGINSOF ENERGY SOURCESSOURCES • Firewood: is any wooden material that isFirewood: is any wooden material that is gathered and used for gathered and used for fuelfuel.. • Petroleum:It consists of hydrocarbons of variousPetroleum:It consists of hydrocarbons of various molecular weights and other molecular weights and other organicorganic compoundscompounds.. • Coal:is an organic Coal:is an organic natural resourcenatural resource.. • Gas is one of Gas is one of the four fundamental states ofthe four fundamental states of matter.matter. • Sun: solar energy comes from the sun.Sun: solar energy comes from the sun.
- 20. RESOURCESRESOURCES • greenliving.lovetoknow.com/Advantages_and_Digreenliving.lovetoknow.com/Advantages_and_Di sadvantages_of_Non_Renewable_Energysadvantages_of_Non_Renewable_Energy • https://www.google.es/#q=advantages+of+renehttps://www.google.es/#q=advantages+of+rene wable+energy+sourceswable+energy+sources •https://www.google.es/search?https://www.google.es/search? q=DISrenewable+energy+sources&biw=1366&biq=DISrenewable+energy+sources&biw=1366&bi h=667&source=lnms&sa=X&ei=AK_nVOapC8X0h=667&source=lnms&sa=X&ei=AK_nVOapC8X0 Uu-Uu- KgrAI&ved=0CAUQ_AUoAA&dpr=1#q=renewablKgrAI&ved=0CAUQ_AUoAA&dpr=1#q=renewabl e+energy+sourcese+energy+sources
- 21. PART 2PART 2 •●●Non-renewable energy sources: higher rate ofNon-renewable energy sources: higher rate of consumptionconsumption • lower rate of productionlower rate of production • ●●Fossil fuels: -energy sources that come from organicFossil fuels: -energy sources that come from organic materialmaterial • animal andanimal and vegetablevegetable • has undergone ahas undergone a process called fossilizationprocess called fossilization • releaserelease energy when burnedenergy when burned
- 22. • ●●Nuclear energy:Nuclearenergy: • -Are thermal → heat is produced by a nuclear-Are thermal → heat is produced by a nuclear reactionreaction • -Nuclear technology → bombs-Nuclear technology → bombs • -Nuclear reactions → nuclear fission:split the-Nuclear reactions → nuclear fission:split the atoms of radioactive materials.atoms of radioactive materials. • Chain reaction →atoms split up → release moreChain reaction →atoms split up → release more neutrons → split up other uranium atoms.neutrons → split up other uranium atoms. • -Nuclear energy → transforms into electric energy-Nuclear energy → transforms into electric energy • https://www.youtube.com/watch?https://www.youtube.com/watch? v=cnjGYHOePu0v=cnjGYHOePu0
- 23. • ●●Transformation ofthermal energy into mechanical:Transformation of thermal energy into mechanical: • Example:a motor carExample:a motor car • -gasoline burns → explosion-gasoline burns → explosion • THERMAL energy produces the piston´sTHERMAL energy produces the piston´s movement and the movement and the • wheels startwheels start workingworking • • MECHANICAL energyMECHANICAL energy
- 24. ●●MachinesMachines • -Steamengine -Steam engine - - Red arrow → enters steam heatedRed arrow → enters steam heated • -Blue arrow → steam goes out-Blue arrow → steam goes out • • -Internal combustion engine-Internal combustion engine • Combustion → with an oxidant → combustion chamberCombustion → with an oxidant → combustion chamber • -Steam turbine-Steam turbine • Extracts thermal energy from pressurized steam → mechanical workExtracts thermal energy from pressurized steam → mechanical work
- 25. • -Gas engine(reactor)-Gas engine (reactor) • -Internal combustion engine → runs on a-Internal combustion engine → runs on a gas fuel such as coal gasgas fuel such as coal gas •
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- 27. WHAT ARE RENEWABLESWHATARE RENEWABLES ENEGIES?ENEGIES? • We call renewables energies to the typesWe call renewables energies to the types of energy which can not waste and asof energy which can not waste and as most of them are made by nature, the domost of them are made by nature, the do not pollute the environment.not pollute the environment. • the mos important the solar energy.the mos important the solar energy. • types or renewable the wind enery.types or renewable the wind enery. • enery are the water enery.enery are the water enery.
- 28. SOLAR ENERGY.SOLAR ENERGY. •This type of energy transfor the sunThis type of energy transfor the sun rays into energy. There are two types.rays into energy. There are two types. • Termic solar enery: this is used forTermic solar enery: this is used for own ussage, it has a sensorown ussage, it has a sensor which captures the solar energy andwhich captures the solar energy and transform it to electricity for ourtransform it to electricity for our electrical devides o heaters…electrical devides o heaters…
- 29. AEOLIC ENERGY.AEOLIC ENERGY. •This type of energy transform theThis type of energy transform the power of the wind into energy.power of the wind into energy. • For this to functionFor this to function • is necessary the airis necessary the air • current to have acurrent to have a • cenrtain force, thecenrtain force, the • turbins of theturbins of the • machine generatemachine generate • electricity thatn weelectricity thatn we • use in our daily life.use in our daily life.
- 30. WATER ENERGY.WATER ENERGY. •Thistypes of energyThis types of energy uses the power ofuses the power of the ocean to passthe ocean to pass from one end to thefrom one end to the another and causinganother and causing a strong movementa strong movement of the turbin whichof the turbin which collect the energycollect the energy and send to theand send to the central power stationcentral power station •WAVESWAVES ENERGY.ENERGY.• The waterThe water • under the seaunder the sea moves a turbinmoves a turbin turbinturbin which mwhich m makes anmakes an
- 31. BOIMASS ENERGY.BOIMASS ENERGY. •The biomass energy consist ofThe biomass energy consist of burning the natural materials in orderburning the natural materials in order to produce biofuels which can be useto produce biofuels which can be use like a tipe of energylike a tipe of energy
- 32. GEOTHERMAL ENERGY.GEOTHERMAL ENERGY. •It uses the heat of volcanos, geyser andIt uses the heat of volcanos, geyser and the underground of the earth to take partthe underground of the earth to take part of the heat and use it for oru houses.of the heat and use it for oru houses.