electricity can be divided into two categories:
nonrenewable
and
renewable.
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Презентация на тему Выработка электричества
Содержание
- 2. The energy resources used to
- 3. Nonrenewable resources cannot be increased.
- 4. The majority of electricity used
- 5. The three forms of fossil
- 6. Nuclear Power Nuclear power plants use the
- 7. Renewable Resources Renewable energy resources can
- 8. Biomass Biomass is organic matter, such as
- 9. Geothermal Energy The word "geothermal" comes
- 10. Geothermal energy is steam (or hot
- 11. Hydrogen Hydrogen is a colorless, odorless
- 12. Hydropower Hydroelectric plants use the power of
- 13. Wave power The energy of the
- 14. The world's first wave power
- 15. Solar Energy Solar energy is generated without a turbine or electromagnet..
- 16. Special panels of solar cells, or modules, can capture sunlight and convert it directly into electricity
- 17. Wind PowerWind power is renewable energy that
- 18. Скачать презентацию
- 19. Похожие презентации
The energy resources used to generate electricity can be divided into two categories: nonrenewable and renewable.
Слайд 2 The energy resources used to generate
electricity can be divided into two categories:
renewable.
Слайд 3 Nonrenewable resources cannot be increased. We
can make these supplies last longer by using them
wisely, but when they are gone we will not have any more.Слайд 4 The majority of electricity used in
the world is generated at power plants that burn
fossil fuels to heat water and make steam. The steam is highly pressurized and directed at turbine ['tɜbaɪn] blades to make them spin.Слайд 5 The three forms of fossil fuels
are
coal,
oil, and
natural gas.
They
are known as fossil fuels because they were formed from the fossilized remains of animals or plants that lived long ago.
Слайд 6
Nuclear Power
Nuclear power plants use the heat from
splitting atoms to convert water into the steam that
turns turbines.
Слайд 7
Renewable Resources
Renewable energy resources can be
replenished in a short period of time, so they
will never be all used up. Energy companies all over the world are using renewable resources more and more to generate electricity.
Слайд 8
Biomass
Biomass is organic matter, such as agricultural wastes,
and wood chips and bark left over when lumber
is produced. Biomass can be burned to heat water to make steam, which turns a turbine to make electricity. It can also be converted into a gas, which can be burned to do the same thing.
Слайд 9
Geothermal Energy
The word "geothermal" comes from
the Greek words geo, for earth, and therme, for
heat. So geothermal means "earth heat."
Слайд 10
Geothermal energy is steam (or hot water that
has been converted to steam) from deep inside the
earth.
Слайд 11
Hydrogen
Hydrogen is a colorless, odorless gas.
Hydrogen can be converted into electricity through a chemical
reaction in a device called a fuel cell. Converting hydrogen into electricity produces no pollution—only water and heat.
Слайд 12
Hydropower
Hydroelectric plants use the power of falling water
to turn the turbines that help generate electricity.
Слайд 13
Wave power
The energy of the ocean's
waves and tides can also be used to generate
electricity with dams that force ocean water through turbines. This is called tidal energy, or wave power.Слайд 14 The world's first wave power station
is on the Scottish island of Islay. It generates
enough electricity for about 400 homes.Слайд 16 Special panels of solar cells, or modules, can
capture sunlight and convert it directly into electricity
Слайд 17
Wind Power
Wind power is renewable energy that uses
