Chapter 25.2-3
Vocabulary
Photovoltaic cell- structure that is made of two layers of two types of silicon.
Hydroelectric power-generted by converting the energy of free-fulling water to electricity
Geothermal energy- energy produced by naturally owuring heat, steam and hot water.
-Nuclear fission is the process in which is heavy nucleus (mass number greater than 200) divides to form smaller nuclei and one or two neutrons
Energy efficiency-the amount of worth produced compared to the amount of energy!
Cogeneration-oimultaneous production of two unstable forms of energy.
Sustainable energy- involves the global management of earths naturals resources to meet current and furtere engry needs.
Alternative energy resources can supplements dwindling fossil fuel reserves.
Solar energy is unlimited, but technolgical advances are needed to find solutions to collect and store it Nuclear energy is produced when atoms of radioactive elements emits purtides in the process brown as nuclear fission Biofuels can help reduce comsumption of fossil fuels.
and used. Energy resources will but longer if whsevation and energy-efficitency consevertion and energy measures are developed, Energy efficiency results in the use of fower resourse to
provide more vocable engryy Congeneration, in which two usable foi o energyian 9. are produced at the same time, from the same process can help save resousce Distri mun sirtassorbit -
Sustainulble energy coin, holy meet current and hun enyy heads to NOONG