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15
×
True or False: Living organisms all need air for respiration.
True
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15
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What percentage of Oxygen in the air?
21%
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15
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We can see an object because light from a light _____ reflects off the object and enters our eyes.
source
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15
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True or False: Carbon dioxide makes up most of the air.
False
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×
baam
Lose 20 points!
Oops!
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magnet
Take 25 points!
Okay!
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fairy
Take points!
5
10
15
20
25
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thief
Give points!
5
10
15
20
25
15
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True or False: Humans and animals breathe in nitrogen and breathe out carbon dioxide.
False
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15
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What percentage is Nitrogen in the air??
78%
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15
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Name 3 light sources.
lamp / Sun / torch
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15
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When you are healthy, your body temperature is _______.
37 °C
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15
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Light travels in .................... lines.
straight
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15
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True or False: Living organisms need oxygen for respiration.
True
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Check
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heart
Other team wins 20 points!
Oops!
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shark
Other team loses 25 points!
Okay!
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gift
Win 20 points!
Okay!
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lifesaver
Give 15 points!
Oops!
15
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True or False: Sound CANNOT travel through water.
False
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15
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Temperature of boiling water.
100 °C
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baam
Lose 5 points!
Oops!
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rocket
Go to first place!
Okay!
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shark
Other team loses 15 points!
Okay!
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lifesaver
Give 25 points!
Oops!
15
×
True or False: The moving air from a hotter place to a cooler place is wind.
True
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×
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