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15
×
What happened after elevators were invented?
Ramps were removed
People stopped building
Buildings were built taller
Buildings became shorter
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15
×
When was the first modern escalator built?
1921
2020
1857
1965
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15
×
What do pulleys and ramps help you do?
Fly an airplane
Turn lights on
Move up or down
Open doors
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monster
Reset all scores!
Oops!
×
rocket
Go to first place!
Okay!
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fairy
Take points!
5
10
15
20
25
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banana
Go to last place!
Oops!
15
×
When was the first public elevator built?
1890
1921
1857
2000
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15
×
What does the escalator use to move the steps?
Belt
Stick
Pulley
Rope
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15
×
What is an escalator?
A flying machine
A flat belt
A moving ramp with steps
A slow elevator
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15
×
What powers most elevators?
A ramp
A belt
A pulley on a motor
Stairs
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15
×
How does a pulley help an elevator?
It makes the lights turn on
It moves the elevator up and down
It makes people walk faster
It opens the elevator doors
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×
baam
Lose 25 points!
Oops!
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magnet
Take 5 points!
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gift
Win 25 points!
Okay!
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thief
Give points!
5
10
15
20
25
15
×
What does the motor do in an escalator?
Turns on the lights
Opens the doors
Pushes the people
Pulls the steps around the ramp
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eraser
Reset score!
Oops!
×
shark
Other team loses 20 points!
Okay!
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rocket
Go to first place!
Okay!
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banana
Go to last place!
Oops!
15
×
What is the main idea of the passage?
Pulleys and ramps are useful machines that help people move up and down
All buildings need pulleys
Elevators are hard to build
Escalators are dangerous
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×
baam
Lose 15 points!
Oops!
×
magnet
Take 25 points!
Okay!
×
shark
Other team loses 15 points!
Okay!
×
lifesaver
Give 20 points!
Oops!
15
×
Where might you see a pulley being used today?
Inside a motor of an elevator
On a bicycle
In a backpack
On a TV screen
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15
×
Which of these is a simple machine mentioned in the passage?
Escalator
Pulley
Belt
Motor
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