Presentated by : Dr Khaled Shehata

“Don’t make me memorize, make me understand “

ISA project

Electricity crisis and the alternative natural resources

Electricity – Electricity – Part IPart I

EnergyEnergy

EnergyEnergy

Electrical EnergyElectrical Energy

Electricity is very important in our lives.Electricity is very important in our lives. We would find it very hard to do without We would find it very hard to do without

it. it. There are so many things in our homes There are so many things in our homes

that are powered by electricity that we that are powered by electricity that we have begun to depend on them. have begun to depend on them.

Imagine you woke up this morning and Imagine you woke up this morning and had no electricity. had no electricity.

What difference would it make to What difference would it make to

your normal morning routine?your normal morning routine?

Mains ElectricityMains Electricity

Most of the large appliances in our Most of the large appliances in our home are powered by Mains Electricity. home are powered by Mains Electricity.

Mains Electricity is a supply of electrical Mains Electricity is a supply of electrical energy energy

Mains appliances change or Mains appliances change or convertconvert this electrical energy into other forms of this electrical energy into other forms of energyenergy

Can you name them?Can you name them?

Types of EnergyTypes of Energy

Heat energyHeat energy Light energyLight energy Sound energySound energy Movement energyMovement energy

Can you think up some examples Can you think up some examples for each type of energy?for each type of energy?

Heat EnergyHeat Energy

Light EnergyLight Energy

Sound EnergySound Energy

Movement EnergyMovement Energy

Battery PowerBattery Power

Many small electrical appliances use Many small electrical appliances use batteries.   batteries.  

Batteries are also a source of electrical Batteries are also a source of electrical energyenergy

Battery powered appliances also Battery powered appliances also convert convert electrical energy into heat, light, electrical energy into heat, light, sound and movement energysound and movement energy

Can you think of some battery powered Can you think of some battery powered appliances for each source of energy?appliances for each source of energy?

Light EnergyLight Energy

Sound EnergySound Energy

Movement EnergyMovement Energy

Electricity – Electricity – Part 2Part 2

Electricity SourcesElectricity Sources

What is Electricity?What is Electricity?

Electricity is generated from the Electricity is generated from the motion of tiny charged atomic motion of tiny charged atomic particles called electrons and particles called electrons and protons!protons!

Protons = +Protons = + Electrons = -Electrons = -

electron

neutron

proton

Types of Sources used to Types of Sources used to make Electricitymake Electricity

ThermalThermal GeothermalGeothermal NuclearNuclear HydroelectricHydroelectric SolarSolar WindWind

Pictures of each SourcePictures of each Source

How do we get Electricity?How do we get Electricity?

Energy from one of the sources is converted Energy from one of the sources is converted by machines at the power plant to Electricity by machines at the power plant to Electricity and then put onto the Electric Power Gridand then put onto the Electric Power Grid

Electric Power GridElectric Power Grid• Power PlantsPower Plants• Transmission LinesTransmission Lines• SubstationsSubstations• Power LinesPower Lines• TransformersTransformers• Electrical Wiring and Circuit BoxElectrical Wiring and Circuit Box

Pictures of each piece of Pictures of each piece of the Power Grid!the Power Grid!

Your Electric VocabularyYour Electric Vocabulary

CircuitCircuit TransformerTransformer Series CircuitSeries Circuit Parallel CircuitParallel Circuit InsulatorInsulator ConductorConductor ProtonProton ElectronElectron

Life without Electricity---!!!Life without Electricity---!!!

How would you prepare your lunch?How would you prepare your lunch? How would you wash clothes?How would you wash clothes? When would you go to bed?When would you go to bed?

Think about all the luxuries the Think about all the luxuries the discovery of Electricity has brought us!discovery of Electricity has brought us!• No TelevisionNo Television• No RadioNo Radio• No LightsNo Lights

Inventors and InventionsInventors and Inventions

1752 – Lightning Rod1752 – Lightning Rod 1879 – Light Bulb1879 – Light Bulb• Ben FranklinBen Franklin Thomas EdisonThomas Edison

1800 – Electric Battery1800 – Electric Battery 1888 – AC Power1888 – AC Power• Count Alessandro VoltaCount Alessandro Volta Nikola TeslaNikola Tesla

1805 – Refrigerator1805 – Refrigerator 1910 – Flashlight1910 – Flashlight• Oliver EvansOliver Evans Conrad HubertConrad Hubert

1876 – Telephone1876 – Telephone 1920 – Traffic Light1920 – Traffic Light• Alexander Graham BellAlexander Graham Bell Garrett MorganGarrett Morgan

More Inventors and More Inventors and InventionsInventions

1927 – Television1927 – Television 1973 – Internet1973 – Internet• Philo T. FarnsworthPhilo T. Farnsworth Vinton CerfVinton Cerf

1945 – Computer1945 – Computer 1991 - WWW1991 - WWW• Mauchley and PresperMauchley and Presper Tim Tim

Berners-LeeBerners-Lee 1954 – Microwave 1954 – Microwave 1955 – TV 1955 – TV

RemoteRemote• Percy SpencerPercy Spencer Eugene Polley Eugene Polley

Electricity – Electricity – Part IIPart II

ProjectProject

Exploring the Solar Power Exploring the Solar Power

Exploring the Solar Power Exploring the Solar Power - Cars- Cars

Exploring the Solar Power - Exploring the Solar Power - OptionsOptions

Using Solar cell as a source

THE END