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ppt / pptx (powerpoint)
Всего слайдов:
28 слайдов
Для класса:
1,2,3,4,5,6,7,8,9,10,11
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1.87 MB
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неизвестен
Слайды и текст к этой презентации:
№1 слайд
Содержание слайда: June, 8, 2010
Ryazan College of Electronics
№2 слайд
Содержание слайда: Think of some words which remind you about electricity.
ELECTRICITY
№3 слайд
Содержание слайда: Match the word and its definition.
- A machine for producing electricity
- Energy or force that can be used to do work
- A substance able to attract iron, either natural or by means of electric current
- A flow of electricity through something or along a wire or cable
- A supply of electric current for heating, lightning, etc
- An engine or motor whose driving-wheels turned by a current of water, steam or gas
- A closed path for an electric current
№4 слайд
Содержание слайда: Click on any of the vocabulary words below to hear them pronounced and used in a sentence. Translate these sentences.
№5 слайд
№6 слайд
Содержание слайда: Now read some information and compare it with the information from the cartoon. Is there something new for you?
№7 слайд
Содержание слайда: Are you good at electricity? Match the objects with their symbols.
Cell, 6V battery, wire, bulb, switch, ammeter, voltmeter, ohmmeter
a b c d
e f g h
№8 слайд
Содержание слайда: Read some more information and complete the following diagram.
№9 слайд
№10 слайд
№11 слайд
Содержание слайда: Match the words with the opposite meaning
to increase
to turn out (of)
closed
step-down
alternating
final
conductor
conduction
variable
disadvantage
parallel
negative
№12 слайд
Содержание слайда: Static Electricity
Occurs with materials which are insulators
Rubbing adds or removes electrons
Object becomes charged
Like objects repel, unlike attract
№13 слайд
№14 слайд
Содержание слайда: Find the English equivalents in B to the Russian words in A.
A B
Выпрямитель
Обмотка
Первичный
Передавать
Нить накала
Частота
Переменный
Сопротивление
Емкость
Измерительный прибор
Клемма
Заряд
Цепь
Падение напряжения
Обрыв
Повреждение
№15 слайд
Содержание слайда: Types of Current
AC Alternating current charges continuously change direction forward and back at 60 Hz
DC Direct current charges move in one direction
№16 слайд
Содержание слайда: Let’s have fun.
Click on the address to solve a quiz
№17 слайд
Содержание слайда: Complete the diagram on generating electricity
№18 слайд
Содержание слайда: Compare the world electricity generation in 2002 and 2030 using the model:
Compare the world electricity generation in 2002 and 2030 using the model:
Generation of electricity from gas in 2030 will be higher than in 2002.
№19 слайд
№20 слайд
Содержание слайда: Describe the production process and this hydroelectric power plant.
№21 слайд
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№23 слайд
Содержание слайда: TIDAL POWER
№24 слайд
Содержание слайда: SOLAR POWER
Solar power is renewable. It is used for heating houses. Solar cells make electricity from sunlight. Solar cells are expensive. Solar power isn’t much use unless you live somewhere sunny. It doesn’t cause pollution and doesn’t need fuel.
№25 слайд
Содержание слайда: Wind Power
№26 слайд
Содержание слайда: GEOTHERMAL ENERGY
№27 слайд
Содержание слайда: Find some advantages and disadvantages of different ways of generating electricity
ADVANTAGES
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№28 слайд
Содержание слайда: Study the picture and describe in writing how electricity is produced and then transmitted to our homes.