Alternative Energy

Thitirat, Kanoknan, Nam Hoon, Punyanuch

What is alternative energy?

-Energy source that have no undesired consequences-

Royal Chitralada Project

Wind

Advantage

Wind is free Does not cause

green house gas

Disadvantage

Does not produce same amount of electricity all time

Wind turbines are noisy

Wind

WaterAdvantage

Once dam is constructed, electricity can be produced constantly

Does not pollute the atmosphere

Disadvantage

Very expensiveNatural

environment destroyed

Water

Solar

Advantage

Infinite supply of energy

Solar energy does not cause pollution

Disadvantage

Can be used only when its day time

Very expensive

Solar

biomass

Advantage

Saves release of CO2

Renewable

Disadvantage

ExpensiveRequires more

land

biomass

Geothermal Energy

Advantage

No pollutionDirect use

Disadvantage

May Release Harmful Gases 

Transportation

Geothermal Energy

Nuclear Energy

Advantage

Lower Greenhouse Gas Emissions 

Powerful and Efficient 

Disadvantage

Non RenewableNuclear

Radiation

Conclusion Most of the energy are

expensive. This is the reason why people didn’t start using these energy even though they help us save the Earth from Global warming.

Quiz

1. What is alternative energy?

2. What is the name of this project?

3. List three alternative energy sources from the Royal Chitralada Project.

4. List one advantage and disadvantage for the wind energy system.

5. What system taps the energy inflowing water to generate electricity in flowing water to generate electricity?

6. List one of the evolving technologies for the solar energy

7. What is a mixture of gasoline and ethyl alcohol used as fuel in internal combustion engines?

8. What alternative energy source does not

belong to the Royal Chitralada Project?

9. List the disadvantages for the nuclear energy.

10. Why didn’t people using the alternative energies in the start even though they help save our Earth from Global Warming?