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16-2 RenewableSourcesofEnergy
Chapter 16 Section 2
11
Science
6th Grade
01/27/2009

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Term
4 facts about solar energy
Definition
1) it is the source of most other renewable energy resorces
2) it does not cause pollution
3) it will not run out for billions of years
4) it is only available when the sun is shining
Term
What are solar cells used to power?
Definition
to power calulaters, lights, telephones and other small devices
Term
name 6 renewable sources of energy
Definition
1) solar 2) wind 3) biomes 4) biomass material 5) water 6) earth interior
Term
Is Hydroelectric (water=hydro) the most or least widely used source of renewable energy in the world today?
Definition
Most!  Hydroelectric energy is electricity produced by flowing waters.
Term
What are biomass fuels?
Definition
Fuels that are made from things that were once alive...for example, wood, leaves, food wastes and even manure.
Term
4 facts about biomass fuels
Definition
1) they include leaves, food wastes and manure
2) they can be converted to other fuels.
3) they are NOT widely used today
4) they are renewable resources
Term
What type of fuel is wood?
Definition
wood is a biomass fuel
Term
What is gasohol?
Definition
a mixture of alcohol and gasoline
Term
What is gasohol used for?
Definition
it can be used as fuel for cars.
Term
What is geothermal energy
Definition
intense heat from Earth's interior
Term
intense heat from the earth's interior is called what
Definition
geothermal energy
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