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25
×
Who invented a computer?
Hans Lippershey
Cai Lun
Charles Babbage
Thomas Watson
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25
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Who invented the first telescope?
Alexander Graham Bell
Galileo Galilei
Hans Lippershey
Neil Armstrong
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20
×
What is an invention?
A new creation.
A plagiarism.
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25
×
Who discovered the law of pendulum?
Montgolfier Brothers
Thomas Watson
Galileo Galilei
Charles Babbage
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20
×
What is the object that casts a shadow on the dial of a sundial?
gnomon
dial
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25
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Who created the first long-lasting light bulb?
Alexander Graham Bell
Galileo Galilei
Thomas Edison
Thomas Watson
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20
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Why did Wright Brothers build their own engine?
There was no such powerful engine available.
The engine was too expensive.
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25
×
What is NOT a timekeeping device back in the olden days?
sundial/shadow clock
water clock
candle clock
smartwatch
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×
baam
Lose 20 points!
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star
Double points!
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fairy
Take points!
5
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15
20
25
×
lifesaver
Give 25 points!
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thief
Give points!
5
10
15
20
25
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seesaw
Swap points!
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rocket
Go to first place!
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thief
Give points!
5
10
15
20
25
25
×
A sundial/shadow clock can be useful in
sunny days
stormy days
cloudy days
rainy days
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25
×
Who invented the first engine-powered glider?
Wright Brothers
Abbas Ibn Firnas
Hans Lippershey
Montgolfier Brothers
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thief
Give points!
5
10
15
20
25
×
star
Double points!
Okay!
×
gift
Win 25 points!
Okay!
×
baam
Lose 15 points!
Oops!
20
×
Who invented papers?
Charles Babbage
Cai Lun
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thief
Give points!
5
10
15
20
25
×
seesaw
Swap points!
Okay!
×
gift
Win 25 points!
Okay!
×
lifesaver
Give 20 points!
Oops!
20
×
What gas that lifts up an airship to the sky?
Helium
Oxygen
Hydrogen
Krypton
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