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World: Presentation Demo for Green Energy (Complete)

For people learning English! Notes and voice not included. Future edits might be made.
by

Andrew Chen

on 3 July 2013

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Transcript of World: Presentation Demo for Green Energy (Complete)

An Introduction
To Green Energy

What are the types of
Green Energy
?
Thank you!
What
isn't

Green
Energy?
What is
Green energy
like?
Review
What do think it is?
YOU
Renewable!
Environment Friendly!
Efficient!
Anything Else?
What is
Energy?
Non-Renewable
Pollution
Anything Else?
limited
Green energy
is...

Solar Energy
Wind Energy
Hydroelectric Energy
Biomass Energy
Geothermal Energy
Three Gorges Dam at Hubei province, China
Photovoltaic cell
coal
Oil: petrol, natural gas
Oil spills
are an example of
pollution
.
Bioethanol and Biodiesel
Uses heat from the earth:
Examples: Volcanoes, geysers, or hot springs
Turns trash and organic materials into fuel.
The wind powers the fan and gears, which powers the generator.
captures sunlight, and creates electricity
Water flows and turns the turbine, powering the generator.
This is called a Wind Turbine.
Krafla Geothermal Station in Iceland
1.Water is sent to the heat source.
2. The heat source creates steam and sends it up.
3. The steam powers the turbine.
4. The turbine powers the generator.
5. Electricity!
Describe
Green energy
.
What
isn't

Green

energy
?
Non-renewable energy
Smog
is a form of
pollution
.
Name some types of
Green

energy
.
Examples:
heat
,
electricity
Any other questions?
Green energy is:

Renewable!
Environment friendly!
Efficient!
Green energy
isn't

non-renewable
and
limited
.

Green energy
doesn't create

pollution
.
Types of
green energy
are:
Solar
Wind
Geothermal
Hydroelectric
Biomass
By Andrew Chen
Do any of you use a car?
Important words to know:
Turbine:
A machine that makes energy from rotating/spinning parts.
Generator:
turns the
turbine's energy into
electricity.
This is a windmill!
Windmill in Talcy, France
Watermill in Belgium
A turbine is
powered
by spinning.

A generator is
powered
by the turbine.
power (verb): Give electricity/energy
green energy doesn't cause pollution.
Full transcript