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RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)
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RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Jan 02, 2016

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Page 1: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

RENEWABLE AND ALTERNATIVE ENERGY SOURCESMs. Marcino

Environmental Science

Chapter 17 (pgs. 264-283)

Page 2: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Renewable Energy Today

Renewable Energy: _________________________

___________________________________________ Include:

Even renewable energy

Page 3: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Solar Energy

Solar energy:

Medium-sized _______ Radiates energy

High temperatures cause hydrogen nuclei to fuse, forming helium nuclei and a loss of mass occurs. Lost mass converted to heat and light energy.

Only little bit (___________) of All Energy reaches us as

Page 4: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Pros

Cons

Page 5: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Passive Solar Heating Passive solar heating:

Not used Example:

Energy enters Heat

Buildings must be

Oriented

Page 6: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)
Page 7: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Passive Solar Features:

Page 8: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Active Solar Heating

Active solar heating:

Solar Liquid Hot liquid pumped through

Page 9: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)
Page 10: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Photovoltaic cells:

Produce little electrical current,

Energy production from solar cells has doubled every 4 years from 1985.

Page 11: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)
Page 12: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Wind Power-Cheap and Abundant Wind:

Wind power:

Wind turbines are cost effective and can by constructed quickly.

Aerogenerators:

Page 13: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Wind Farms

Wind farms: Take up little space. Land can still be used for farming.

Page 14: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)
Page 15: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Biomass-Power from Living Things Biomass Fuel:

Ex:

Used for Renewable Careful-

Page 16: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)
Page 17: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Methane

Alcohol

Page 18: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Hydroelectricity-Power from Moving Water

Hydroelectric energy:

Dam across Water Motion of turbine

Benefits:

Page 19: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)
Page 20: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Disadvantages:

Modern Trends Micro-hydropower:

Page 21: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Energy from the Tides Generate electricity similarly to how

generated in river. Turbine must be able to turn in BOTH

directions.

Page 22: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Geothermal Energy-Power from the Earth

Geothermal Energy:

Geothermal heat pump:

Page 23: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Enough heat present in the earth to melt rock. Magma:

When it

Page 24: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Alternative Energy and Conservation

Alternative energy:

To become viable,

Page 25: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Tidal Power Movement of water in oceans caused by

gravitational attraction between the Marked by As tide rises,

Page 26: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Ocean Thermal Energy Conversion (_______) Warm surface water is used to boil sea

water in a vacuum chamber.

Pumping the water

Page 27: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)
Page 28: RENEWABLE AND ALTERNATIVE ENERGY SOURCES Ms. Marcino Environmental Science Chapter 17 (pgs. 264-283)

Hydrogen When burned Current production