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Name
Score
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15
×
The distance that an object traveled in a certain amount of time.
Speed
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×
eraser
Reset score!
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×
fairy
Take points!
5
10
15
20
25
×
fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 25 points!
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15
×
on collision energy is ..............................
transferred and changed
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15
×
GR. The speed of a truck is more than that of a car when both of them move down a ramp.
because the truck has more mass as the speed of the moving object on a ramp increases by increasing its mass.
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15
×
The energy that can be heard and usually produced when two objects collide with each other.
Sound energy
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15
×
How can we calculate the speed of an object?
Speed= distance / time
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×
heart
Other team wins 10 points!
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seesaw
Swap points!
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×
shark
Other team loses 5 points!
Okay!
×
lifesaver
Give 10 points!
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15
×
The smaller the mass of the vehicle, the less fuel it consumes. ( true/false)
True
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15
×
GR. Driving fast is very dangerous.
because if a car increases its speed, its kinetic energy increases which result in exerting a large force during an accident.
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15
×
When the inclination of a ramp decreases, the kinetic energy of a ball rolling down ..........................
decreases
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15
×
GR. A truck needs a bigger engine than that of a small car to move with the same speed.
as the truck has more mass and kinetic energy than the car, so the truck needs a bigger engine than the car.
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×
eraser
Reset score!
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×
star
Double points!
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rocket
Go to first place!
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baam
Lose 5 points!
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boom
Lose 50 points!
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shark
Other team loses 20 points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 20 points!
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15
×
The amount of kinetic energy of an object depends on ........................ and.....................
the mass and the speed of object.
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