Team 1
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Team 2
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Teams
Name
Score
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heart
Other team wins 20 points!
Oops!
×
gift
Win 10 points!
Okay!
×
gift
Win 20 points!
Okay!
×
banana
Go to last place!
Oops!
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monster
Reset all scores!
Oops!
×
shark
Other team loses 10 points!
Okay!
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fairy
Take points!
5
10
15
20
25
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banana
Go to last place!
Oops!
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lifesaver
Give 25 points!
Oops!
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rocket
Go to first place!
Okay!
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rocket
Go to first place!
Okay!
×
lifesaver
Give 25 points!
Oops!
25
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How can a simple crane with a pulley system and a crank make it easier to lift heavy objects?
The pulley system changes the direction of the force to make it more convenient to lift the load.
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15
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What is an axle?
The shaft at the center of the wheel.
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20
×
How is potential energy created in a homemade catapult using an elastic band?
As you twist the elastic you are exerting energy. This energy is stored in the twisted elastic.
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20
×
What kind of energy changes motion/position of an object?
Mechanical Energy
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15
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What is a chassis?
A frame upon which a vehicle is built.
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20
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Thinking about our "Working Wheels" project, we learned that as water drops potential energy turns into _________ energy.
Kinetic
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15
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The steeper the angle of an inclined plane the __________ the vehicle will move.
Faster
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15
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What is friction?
The force of resistance which is encountered when two objects rub against each other.
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20
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What are water wheels used for?
Water wheels are used to produce energy.
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15
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What is potential energy?
Energy which is stored by an object.
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20
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An object will stay at rest or keep moving unless...
...something interrupts it.
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25
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Thinking about our "Working Wheels" project, we learned that water at a higher level has what kind of energy?
Potential energy
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20
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What is an efficient machine?
An efficient machine uses the LEAST amount of energy possible
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