energy

laura hidalgo learreta
Mind Map by laura hidalgo learreta, updated more than 1 year ago
laura hidalgo learreta
Created by laura hidalgo learreta over 6 years ago
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Description

energy

Resource summary

energy
  1. ability to make changes in another system or itself
    1. units:Joules
      1. sources of energy
        1. non-renewable: can run out, found in nature
          1. fossil fuels: CO2 is spelt, remains of plants
            1. nuclear energy: nuclear reaction, dangerous
              1. electrical
                1. thermal
              2. renewable: inexhaustible
                1. hydroelectric: water moving--> flood a village, build dam, expensive
                  1. geothermal: internal heat of the earth-->drill deep
                    1. solar: rays clean energy--> lot of sun hours
                      1. wind: clean energy-->noisy
                        1. tidal:seawater movement--> enviromental impact
                          1. biofuel
                        2. types of energy
                          1. mechanical
                            1. kinetic: motion, Ek=1/2mv2

                              Annotations:

                              • http://www.cienciasnaturaleselena.blogspot.com.es/search/label/2%C2%BA%20E.S.O%20NATURAL%20SCIENCES
                              1. potencial: equilibrium & height--> Ep=mhg
                              2. hermal-->heat
                                1. nuclear-->nuclear reactiom
                                  1. electromagnetic
                                    1. chemical--> molecules organised
                                      1. electrical--> neutrons protons
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