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Презентация на тему Producing Electricity

Содержание

The energy resources used to generate electricity can be divided into two categories: nonrenewable and renewable.
Producing ElectricityМозговенко Ольга ПетровнаУчитель английского языкаЦО № 1828 «Сабурово» Москва The energy resources used to generate electricity can be divided Nonrenewable resources cannot be increased. We can make these supplies The majority of electricity used in the world is generated The three forms of fossil fuels are coal, oil, and Nuclear Power Nuclear power plants use the heat from splitting atoms to Renewable Resources Renewable energy resources can be replenished in a short Biomass Biomass is organic matter, such as agricultural wastes, and wood chips Geothermal Energy The word Geothermal energy is steam (or hot water that has been converted to Hydrogen Hydrogen is a colorless, odorless gas. Hydrogen can be converted Hydropower Hydroelectric plants use the power of falling water to turn the Wave power The energy of the ocean's waves and tides can The world's first wave power station is on the Scottish Solar Energy Solar energy is generated without a turbine or electromagnet.. Special panels of solar cells, or modules, can capture sunlight and convert it directly into electricity Wind PowerWind power is renewable energy that uses the force of the A very large wind farm can generate enough electricity for all the
Слайды презентации

Слайд 2
The energy resources used to generate

The energy resources used to generate electricity can be divided

electricity can be divided into two categories:
nonrenewable
and


renewable.

Слайд 3
Nonrenewable resources cannot be increased. We

Nonrenewable resources cannot be increased. We can make these supplies

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 majority of electricity used in the world is generated

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

The three forms of fossil fuels are coal, oil, and

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

Nuclear Power Nuclear power plants use the heat from splitting atoms

splitting atoms to convert water into the steam that

turns turbines.

Слайд 7 Renewable Resources
Renewable energy resources can be

Renewable Resources Renewable energy resources can be replenished in a short

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,

Biomass Biomass is organic matter, such as agricultural wastes, and wood

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

Geothermal Energy The word

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

Geothermal energy is steam (or hot water that has been converted

has been converted to steam) from deep inside the

earth.

Слайд 11 Hydrogen
Hydrogen is a colorless, odorless gas.

Hydrogen Hydrogen is a colorless, odorless gas. Hydrogen can be converted

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

Hydropower Hydroelectric plants use the power of falling water to turn

to turn the turbines that help generate electricity.

Слайд 13 Wave power
The energy of the ocean's

Wave power The energy of the ocean's waves and tides can

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

The world's first wave power station is on the Scottish

is on the Scottish island of Islay. It generates

enough electricity for about 400 homes.

Слайд 15 Solar Energy
Solar energy is generated without a turbine

Solar Energy Solar energy is generated without a turbine or electromagnet..

or electromagnet..

Слайд 16
Special panels of solar cells, or modules, can

Special panels of solar cells, or modules, can capture sunlight and convert it directly into electricity

capture sunlight and convert it directly into electricity

Слайд 17 Wind Power
Wind power is renewable energy that uses

Wind PowerWind power is renewable energy that uses the force of

the force of the wind to spin turbines. These

spinning turbines generate electricity.
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