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eraser
Reset score!
Oops!
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seesaw
Swap points!
Okay!
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rocket
Go to first place!
Okay!
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lifesaver
Give 20 points!
Oops!
15
×
What controls the components of complex machines?
The switches or steering wheels.
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15
×
When do we apply force to an object?
Whenever we push or pull it.
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10
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True or False? The lower we drop an object, the slower the speed of it when it hits the ground.
True
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15
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What simple machine do we use to lift heavy objects easier?
A lever.
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15
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What do you call the two ends of the magnet? Name them.
They are called poles; the north pole and the south pole.
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15
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What type of ramp is used to move objects up and down?
An inclined plane.
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10
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Do all objects change shape permanently?
No, only some objects change shape permanently.
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10
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What were some of the simple machines that helped the Egyptians to build the pyramids?
Wheels, levers, pulleys, and inclined planes.
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15
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What happens when we put the same poles of two magnets together?
They repel each other.
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seesaw
Swap points!
Oops!
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seesaw
Swap points!
Okay!
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shark
Other team loses 20 points!
Okay!
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banana
Go to last place!
Oops!
15
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Why did people invent simple machines?
They built it to help them make work easier.
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15
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What parts of complex machines give information?
The screens and indicators.
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15
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What is Friction?
It is the force that causes a moving object to stop moving.
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15
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When does Friction occur?
It occurs when two objects rub againts each other.
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banana
Go to last place!
Oops!
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shark
Other team loses 25 points!
Okay!
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gift
Win 25 points!
Okay!
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thief
Give points!
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