2901339
Description
Mind Map by laura hidalgo learreta, updated more than 1 year ago
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Created by laura hidalgo learreta
almost 9 years ago
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energy
- ability to make changes in another
system or itself
- units:Joules
- sources of energy
- non-renewable: can run out, found in
nature
- fossil fuels: CO2 is spelt,
remains of plants
- nuclear energy: nuclear
reaction, dangerous
- electrical
- thermal
- electrical
- fossil fuels: CO2 is spelt,
remains of plants
- renewable: inexhaustible
- hydroelectric: water moving--> flood a
village, build dam, expensive
- geothermal: internal heat of the
earth-->drill deep
- solar: rays clean energy--> lot of sun hours
- wind: clean energy-->noisy
- tidal:seawater movement--> enviromental impact
- biofuel
- hydroelectric: water moving--> flood a
village, build dam, expensive
- non-renewable: can run out, found in
nature
- types of energy
- mechanical
- kinetic: motion, Ek=1/2mv2
Annotations:
- http://www.cienciasnaturaleselena.blogspot.com.es/search/label/2%C2%BA%20E.S.O%20NATURAL%20SCIENCES
- potencial: equilibrium & height--> Ep=mhg
- kinetic: motion, Ek=1/2mv2
- hermal-->heat
- nuclear-->nuclear reactiom
- electromagnetic
- chemical--> molecules organised
- electrical--> neutrons protons
- mechanical
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