What ancient Greek philosopher identified the lever, pulley and the screw as simple machines?
Archimedes (287-212 bc)
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20
Where is the the U.S.'s oldest rollercoaster, "Leap The Dips", built in 1902.
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15
What simple machine is used to lift sails on a boat?
pulley
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20
What is this coaster called; found at Knoebels amusements in PA?
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heart
Other team wins 15 points!
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magnet
Take 20 points!
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rocket
Go to first place!
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baam
Lose 15 points!
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boom
Lose 50 points!
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rocket
Go to first place!
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shark
Other team loses 25 points!
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banana
Go to last place!
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15
What type of simple machine is a jar lid?
screw
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15
When does a typical rollercoaster have the most potential energy?
At the top of the first hill.
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15
What simple machine is a hand cranked pencil sharpener?
wheel and axle
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20
What are the 2 things that must occur in order for work to have been done?
1. The object must move 2. The direction of the object's motion is the same as the direction of the force.
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15
What simple machine is a knife?
wedge
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15
Name three criteria of your rollercoaster design challenge.
1. Needs either a turn or a loop 2. Must be at least 24" of track length 3.At some point the track needs to be below the finish 4. ball needs to land in cupa
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15
What is done when a force causes an object to move in the direction of the force?