science

Question 1

natural resource

Answer 1

materials from the earth that are used to support life and meet peoples needs

Question 2

renewable resource

Answer 2

a resource of which there is an endless supply because it can be replenished

Question 3

nonrenewable resource

Answer 3

a substance that is used up more quickly than it can replace itself

Question 4

fossil fuel

Answer 4

made from decomposing plants and animals

Question 5

Nuclear fission

Answer 5

subdivision of a heavy atomic nucleus, such as that of uranium or plutonium

Question 6

Nuclear fusion

Answer 6

process by which two light atomic nuclei combine to form a single heavier one

Question 7

Hydrogen fuel cell vehicle

Answer 7

FCEVs use a propulsion system similar to that of electric vehicles,where energy stored as hydrogen is converted to electricity by the fuel

Question 8

solar energy

Answer 8

any type if energy generated by the sun

Question 9

wind energy

Answer 9

the process by which the wind is used to generate mechanical power or electricity

Question 10

hydroelectric energy

Answer 10

a form of renewable energy that uses the water stored in dams, as well a flowing in rivers to create electricity in hydropower plants

Question 11

biomass

Answer 11

renewable organic material that comes from plants and animals

Question 12

gasohol

Answer 12

a fuel consisting of a blend of ethanol and unleaded gasoline, especially a blend of 10 percent ethanol and 90 percent gasoline

Question 13

geothermal energy

Answer 13

heat within the earth

Question 14

petroleum

Answer 14

a complex mixture of hydrocarbons that occur on earth in liquid,gaseous, or solid form

Question 15

natural gas

Answer 15

a fossil fuel energy source

Question 16

coal

Answer 16

a sedimentary deposit composed predominantly of carbon that is readily combustible

Question 17

propane

Answer 17

A straight-chain saturated hydrocarbon extracted from natural gas or refinery gas streams,which is gaseous at standard temperature ad pressure

Question 18

tidal energy

Answer 18

a form of power produced by the natural rise and fall of tides caused by the gravitational interaction between earth, the sun , and the moon

Question 19

wave energy

Answer 19

a form of renewable energy that can be utilized from the motion of the waves

Question 20

smog

Answer 20

air pollution that reduces visibility

Question 21

acid precipitation

Answer 21

any form of precipitation, including rain, snow,hail,fog,or dew, that is high in acid pollutants, especially sulfuric and nitric acid

Question 22

recycling