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Team 2
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Teams
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Score
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thief
Give points!
5
10
15
20
25
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shark
Other team loses 20 points!
Okay!
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gift
Win 25 points!
Okay!
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thief
Give points!
5
10
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25
15
×
What is wind?
Wind is moving air.
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15
×
What happens when warm air rises?
Cooler, denser air moves in to take its place, creating wind.
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15
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What were some early uses of wind energy?
Early Egyptians used wind to sail ships on the Nile River. People also used windmills to grind wheat, pump water, and run sawmills.
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15
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What is a wind farm?
A wind farm is a place where many wind turbines are grouped together to make electricity.
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15
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How do light-colored surfaces affect sunlight?
Light-colored surfaces reflect more sunlight back into the air.
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Why is wind considered a safe and good energy source for the future?
Wind is safe, clean, renewable, and will not run out as long as the sun shines.
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heart
Other team wins 20 points!
Oops!
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seesaw
Swap points!
Okay!
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shark
Other team loses 10 points!
Okay!
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baam
Lose 10 points!
Oops!
15
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How often do most wind turbines operate?
Most wind turbines run between 65 and 90 percent of the time.
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How tall can wind turbines be?
Some wind turbines are as tall as 20-story buildings.
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banana
Go to last place!
Oops!
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fairy
Take points!
5
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25
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fairy
Take points!
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25
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thief
Give points!
5
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25
15
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Do wind turbines run all the time? Why or why not?
No, they do not run all the time because sometimes there is no wind or the wind blows too hard.
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baam
Lose 10 points!
Oops!
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magnet
Take 25 points!
Okay!
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rocket
Go to first place!
Okay!
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banana
Go to last place!
Oops!
15
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Why does warm air rise?
Warm air expands, becomes less dense, and rises into the atmosphere.
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15
×
Where does wind energy come from?
Wind energy comes from the sun. The sun heats the Earth unevenly, causing air to move.
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15
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Why does the Earth near the Equator get warmer than the poles?
The Equator receives more of the sun’s energy than the North and South Poles.
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