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15
×
A child at the top of a playground slide has a kinetic energy.
False
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×
baam
Lose 10 points!
Oops!
×
star
Double points!
Okay!
×
gift
Win 20 points!
Okay!
×
baam
Lose 25 points!
Oops!
15
×
It is a very heavy steel ball that swings on a cable to help construction workers knock down walls or parts of buildings.
Wrecking ball
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15
×
If there are ............................ forces acting on an object, so this object will move.
unbalanced
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×
seesaw
Swap points!
Oops!
×
rocket
Go to first place!
Okay!
×
rocket
Go to first place!
Okay!
×
thief
Give points!
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25
15
×
Some motions are easy to see, such as rotation of the earth around the sun.
False
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15
×
kinetic energy is the amount of energy that is stored in an object due to its position.
False
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15
×
It is the force that pulls objects toward the center of the earth.
Gravity
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×
eraser
Reset score!
Oops!
×
magnet
Take 15 points!
Okay!
×
rocket
Go to first place!
Okay!
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thief
Give points!
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25
15
×
................................... as the stored energy in batteries.
Chemical potential energy
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15
×
They are used in cars to keep the driver and also the passengers from moving forward when the car stops suddenly.
Seatbelt
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15
×
It is any change in the position of an object relative to a fixed point.
Motion
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15
×
It is push or pull.
Force
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15
×
It is the moment when two objects hit or make contact in a forceful way.
collision
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15
×
It is a force that causes an object to move a distance.
Work
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×
lifesaver
Give 25 points!
Oops!
×
seesaw
Swap points!
Okay!
×
shark
Other team loses 20 points!
Okay!
×
lifesaver
Give 20 points!
Oops!
×
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