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15
×
A ___ System has a Star, Planets & Moons, as well as other space debris which all orbit the Star.
Planetary System
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Check
Okay!
Check
×
monster
Reset all scores!
Oops!
×
gift
Win 15 points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
baam
Lose 5 points!
Oops!
15
×
How big, in light years, is our galaxy?
100,000 light years
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Check
Okay!
Check
15
×
How many moons are in our Solar System?
More than 200+
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Check
Okay!
Check
15
×
Mercury has lava flows, but no _____.
Volcanoes
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Check
15
×
How many millions of years does it take for our Solar System to orbit around the galactic center?
230
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Check
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heart
Other team wins 25 points!
Oops!
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gift
Win 20 points!
Okay!
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fairy
Take points!
5
10
15
20
25
×
baam
Lose 15 points!
Oops!
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banana
Go to last place!
Oops!
×
star
Double points!
Okay!
×
rocket
Go to first place!
Okay!
×
banana
Go to last place!
Oops!
15
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Mercury is the ____ planet in our Solar System (size).
Smallest
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15
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True or False: Mercury can get up to 800 degrees Fahrenheit on the sunny side & below -290 degrees Fahrenheit at night (on the dark side).
True
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Check
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Check
15
×
A ___ is a system of billions of stars, together with gas & dust, all held together by gravitational attraction.
Galaxy
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15
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True or False: Mercury is the hottest planet in our Solar system?
False
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15
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A moon is a natural ___ of a planet.
Satellite
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15
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What is the name of our galaxy?
The Milky Way
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15
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The Universe is ___ billion light years in diameter.
10
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Check
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Check
15
×
The ____ is all existing matter & space considered as a whole.
Universe
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Check
Okay!
Check
×
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