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1.	Solae energy is produced by the                            ?

2.	Name all the disadvantages of solar energy.

3.	What is the disadvantage for using coal?

A.	air pollution

B.	expensive to setup

C.	causes acid rain

D.	adds to global warming

E.	all of the above

F.	none of these above

4.	How expensive is nuclear energy?

A.	very cheap, like about $6.00 per pound

B.	a fair amount, about $12.00 per pound

C.	very expensive, about $59.00 per pound

5.	Name these energy sources in order by costs: 1.biomass energy 2.oil/gas energy 3.nuclear energy 4.coal energy

A.

1,3,2,4

B.

3,2,4,1

C.

1,2,4,3

D.

4,2,1,3

6.	What do wind, hydroelectric, tidal, solar energy have in common? Choose the best answer related to energy souces.

A.	they are all nature

B.	nature is free and no cost

C.	all are essential to our life

D.	they don't have anything in common; they work different ways

7.	Tidal energy is produced by trapping rising tides.

A.	True, the water force spins the turbines

B.	False, it has nothing to do with water, but with the moon in the sky

8.	How is wind energy created?

9.	Biomass is non-renewable energy if we didn't care about planting.

A.	True, you need an actual human there to help it spread more trees

B.	False, because trees can plant itself with seeds

10.	How does biomass energy work?

A.	by burning meat for fuel

B.	by burning wood for fuel

C.	by burning unwanted leaves

11.	What do oil and gas energy, coal energy, and nuclear energy all have in common?

12.	What does non-continuous mean to tidal energy and solar energy and wind energy?

A.	tidal energy runs every minute, solar energy only runs half a day and wind runs all day

B.	what do you mean? they always run!

C.	tides only run twice a day, can be too cloudy for solar energy, wind may not blow