6th Grade Science Quiz

22 Questions  I  By Cbcbblock
Quiz on renewable energy sources.?

  
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Question Excerpt

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1.  Wind, water, geothermal solar and biomass are what types of energy sources?
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2.  _______ power uses windmills or turbines to create electricity
3.  Another word for water power is __________________
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4.  Renewable resources are resources that can be replaced by natural resources in a period less than _______ years.
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5.  Coal, oil and natural gas are all ________ fuels.
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6.  The advantages to wind power are that they are renewable and _____________
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7.  The disadvantages to wind power is that it is harmful to ___________, unattractive and requires a lot of land.
8.  The advantage to water (hydropower) is that it is __________ and nonpolluting.
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9.  The disadvantage to water (hydropower) is that it is _________________
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10.  ___________ is power from the sun.
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11.  __________ uses trees, grasses and other organic sources to creat electricy and fuel cars
12.  Pollution that results when the gases released by burning oil and coal mix with water in the air
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13.  Materials that can harm living things by interfering with life processes
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14.  Reusing materials after they have been changed into another form.
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15.  Whatever people throw away that is a solid or semisolid form.
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16.  An area where garbage is deposited.  Often lined with plastic or clay to keep harmful chemicals from leaking.
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17.  The three R's of solid waste management are recycling, __________, and reusing.
18.  Water covers _____ percent of Earth.
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19.  Less than _________ percent of water is fresh and can be used for drinking.
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20.  Reusing materials after they have been changed into a new form is_________
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21.  ________________ waste helps by cutting down on the amount of trash thrown away.
22.  Most air pollution is caused by _____ and factories
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