SOURCES OF ENERGY

The Old and the NewJason SmithEDU 653

Fossil Fuels

Coal, oil and Natural gas. Made from remains of ancient plants and

animals. This is why they are called fossil fuels.

Most commonly used energy source in the world.

There are pros and cons to using them. They are burned to create steam. The high

pressured steam is passed through pipes and used to spin a turbine. The turbine spins a generator and creates an electric current.

Pros and Cons of Fossil fuels

Easy to get now Does the job well

of creating energy All of our cars and

factories are equipped to run on fossil fuels.

Cause pollution Lead to global

warming Will run out

someday/non-renewable

Much of the world’s oil is in middle east countries.

Pros Cons

Other Alternatives…

Renewable and alternative energies. Using natural resources to create electricity. Most are cleaner and safer than fossil fuels.

Solar Wind Geothermal Hydroelectric Nuclear Biomass

Renewable vs. Alternative

Solar Hydroelectric Wind Biomass Geothermal

Nuclear energy

Renewable – Never run outAlternative – efficient but can run out

Solar Power

Capturing the sun’s energy to fuel a power plant to create electricity

Turning the sun’s energy directly into electric energy using solar cells.

Solar Energy Pictures

Wind Energy

Using wind turbines to harness the wind’s energy.

The wind turbines turn a generator which creates electricity.

Wind Pictures

Hydroelectric Energy

Using the energy of moving water to turn turbines and create electricity.

Hydroelectric Pictures

Geothermal Energy

Using the natural heat and steam from inside the earth to spin a turbine to create electricity.

Geothermal Pictures

Nuclear Energy

Using the energy from inside of an atom to create heat.

The heat will make steam to spin a turbine and create electricity.

Nuclear Pictures

Biomass Energy

Burning of trash, crops or other “living” material.

The burning will create steam which will turn a turbine to create electricity.

Biomass Pictures

ONE ALTERNATIVE….BIOMASSThe rest of this presentation will explain Biomass Energy.

Biomass Energy is just one of the possible solutions to our Energy problem.

BIOMASS ENERGY

DEFINITION OF BIOMASS ENERGY

BIOMASS ENERGY IS THE USE OF LIVING MATERIAL TO CREATE ELECTRICITY

SOME MATERIALS USED COULD BE PLANTS, GARBAGE, AND ANIMAL WASTE

HOW IT WORKS...

PLANTS ARE BURNED IN ORDER TO CREATE ENOUGH HEAT TO BOIL WATER.

THE WATER IS TURNED INTO STEAM THE STEAM WILL CREATE ENOUGH

POWER TO SPIN A TURBINE

HOW IT WORKS...

THE TURBINE IS CONNECTED TO A GENERATOR

WHEN THE GENERATOR SPINS IT CREATES AN ELECTRIC CURRENT

THE ELECTRIC CURRENT IS SENT THROUGH POWER LINES TO HOMES AND BUSINESSES

ADVANTAGES

BIOMASS ENERGY WILL NEVER RUN OUT

IT DOES NOT ADD TO AIR POLLUTION

WHEN WE GROW PLANTS FOR BIOMASS ENERGY IT HELPS CLEAN THE AIR

ADVANTAGES CONT...

USING GARBAGE FOR ENERGY WILL HELP REDUCE LANDFILLS

DISADVANTAGES

COLLECTING ENOUGH WASTE FOR BIO-POWER COULD BE HARD

BIOMASS MATERIALS BURN FASTER THAN OIL AND COAL SO MORE WOULD BE NEEDED

THE LAND THAT IS NEEDED FOR CREATING BIOMASS CROPS IS BEING USED FOR FOOD PRODUCTION

MY CONCLUSION

I BELIEVE THAT BIOMASS IS A VERY GOOD SOURCE OF ENERGY FOR OUR FUTURE.

THE ONLY DOWNFALL SEEMS TO BE COLLECTING ENOUGH WASTE FOR ENERGY PRODUCTION

I THINK THE BIGGEST ADVANTAGES ARE THAT IT COULD REDUCE TRASH IN LANDFILLS AND THAT WE CAN GROW IT HERE IN OUR COUNTRY.

CONCLUSION

THE BIGGEST BENEFIT WOULD BE THAT WE CAN ELIMINATE GARBAGE AND OTHER WASTE WHILE CREATING CLEAN ENERGY AT THE SAME TIME

THE ADVATAGES FAR OUTNUMBER THE DISADVANTAGES FOR BIO-POWER

Your turn!

Your group will choose an alternative or renewable energy.

You will research how it works and the advantage and disadvantaged of using the source you chose.

You will create a Power Point presentation to report your findings to the class!

Sources

Images Biomass Cycle:

http://www.triplepundit.com/biomass.jpg Types of Biomass:

http://torrance4biomass.files.wordpress.com/2008/04/types-of-biomass.jpg

Cow: http://www.freefoto.com/images/806/11/806_11_7732---Cow_web.jpg?&k=Cow

Tractor: http://www.freefoto.com/images/07/19/07_19_4---Tractor-and-forage-harvester-working_web.jpg?&k=Tractor+and+forage+harvester+working