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Energy and Conservation
Transcript of Energy and Conservation
~Geothermal energy Some nonrenewable resoses are:
~Uranium Non renewable resources Stored energy Energy can not be created nor destroyed but it can be changed into other forms.
The electrical energy Lost energy Energy can be lost, for it is turned into energy that is not needed to help the product. E.G. Heat from a light bulb doesn't
help it brighten the room Potential energy is stored energy. If you lined up a rubber band, it now has Potential energy When you release the rubber band, the potential energy turns into kinetic energy. We use eletric energy to use the computer, and watch T.V. Fun Facts 1. Ninety percent of light bulb’s energy is heat energy. 2. Enough sunlight reaches the earth’s surface each minute to satisfy the world’s energy - for an entire year. 3. More than 1/5 of the world’s energy is used for transportation. 4. The word “energy” comes from the Greek word energeia, meaning activity. Pros and cons of wind turbine Wind turbine noises Bibliography Energy can't be destroyed Pros They releases no pollution.
Wind energy is free. Cons The land where wind-farms is built can be used for other things.
Wind-turbines can make a 'whooshing' sound.
Wind-turbines have to be tall and they use a lot of material. Wind Turbines Spinning
http://goo.gl/nUJMn Question 1. Question 2. Question 5. The End! Question 2. Question 3. Question 5. Question 5. Question 6. Question 7. 55 Interesting Facts About Energy
http://facts.randomhistory.com/energy-facts.html Wind of Change
http://www.energychest.net/energy_sources/activity_centre/windofchange.html 5. Kinetic energy and potential energy are the most common type of energy. 2013/2/7 2013/2/16 Energy Facts
http://www.sciencekids.co.nz/sciencefacts/energy.html 2013/2/12 Energy is the ability
to do work. The
ability to cause
motion and change. A short energy video
http://goo.gl/9JH9K What is energy by James and Mackenzie