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15
×
Who invented the electric light bulb?
Thomas Edison
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15
×
Machines that have few or no moving parts. There are 6.
Simple machines
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15
×
Who developed a theory to explain the source of gravity?
Isaac Newton
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15
×
Who discovered the polonium and radium?
Marie Curie
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15
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Who discovered the term of radioactivity?
Marie Curie
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15
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Who invented the phonograph?
Thomas Edison
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15
×
Which Archimedes invention was a type of crane with a hook that could lift a ship out of water?
The Claw
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15
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Who invented a type of reflective telescope in the 17th century?
Isaac Newton
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×
seesaw
Swap points!
Oops!
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magnet
Take 25 points!
Okay!
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shark
Other team loses 10 points!
Okay!
×
lifesaver
Give 25 points!
Oops!
15
×
Name the six simple machines.
lever, inclined plane, pulley, wedge, screw, wheel and axle
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15
×
Simple machine with a fulcrum and a rigid bar.
Lever
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15
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A machine used for pushing an object up or down a slope.
Inclined plane
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thief
Give points!
5
10
15
20
25
×
shark
Other team loses 20 points!
Okay!
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fairy
Take points!
5
10
15
20
25
×
baam
Lose 25 points!
Oops!
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thief
Give points!
5
10
15
20
25
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fairy
Take points!
5
10
15
20
25
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gift
Win 25 points!
Okay!
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thief
Give points!
5
10
15
20
25
15
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It has a rope, a wheel and an axle.
Pulley
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15
×
Isac Newton was born in the _____ century.
17th
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×
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