Team 1
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Team 2
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Teams
Name
Score
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baam
Lose 25 points!
Oops!
×
magnet
Take 5 points!
Okay!
×
rocket
Go to first place!
Okay!
×
lifesaver
Give 25 points!
Oops!
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monster
Reset all scores!
Oops!
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gift
Win 20 points!
Okay!
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fairy
Take points!
5
10
15
20
25
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baam
Lose 25 points!
Oops!
15
×
Which would create more friction? metal of carpet
carpet
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15
×
What is the unit called that measures force?
Newton
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15
×
How does friction affect speed?
more friction decreases speed, or slow down and stop a moving object
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15
×
What does friction produce?
Heat
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15
×
How to reduce friction?
use lubricants
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15
×
What is Friction?
A force between 2 surfaces that are sliding or trying to slide against each other.
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15
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How would the absence of friction affect a marble traveling on a long, straight path?
The marble would remain at constant speed.
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15
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Friction is a force that acts in an ___________ direction of movement.
opposite
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15
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Friction can be a problem, it can cause......?
wear and tear
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×
eraser
Reset score!
Oops!
×
star
Double points!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
5
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25
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eraser
Reset score!
Oops!
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shark
Other team loses 20 points!
Okay!
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fairy
Take points!
5
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25
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lifesaver
Give 25 points!
Oops!
15
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A type of friction that occurs when air pushes against a moving object
air resistance
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15
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Rougher surfaces have ...
greater friction
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15
×
An example of useful friction
any
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×
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