Team 1
0
Team 2
0
Teams
Name
Score
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10
×
Which action creates the MOST friction?
sliding
lubricating
rolling
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10
×
The action that makes that surface of an object disappear is _______
wear away
wear out
wore off
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×
banana
Go to last place!
Oops!
×
star
Double points!
Okay!
×
rocket
Go to first place!
Okay!
×
baam
Lose 25 points!
Oops!
10
×
To move two surfaces together quickly (like our hands) is called ____
rud
rup
rub
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×
thief
Give points!
5
10
15
20
25
×
shark
Other team loses 10 points!
Okay!
×
rocket
Go to first place!
Okay!
×
lifesaver
Give 25 points!
Oops!
×
banana
Go to last place!
Oops!
×
gift
Win 20 points!
Okay!
×
gift
Win 25 points!
Okay!
×
lifesaver
Give 25 points!
Oops!
10
×
If we have no friction moving objects have no ______.
gravity
generator
grip
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10
×
Friction usually ________ moving objects.
slows down
speeds up
destroys
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10
×
_______ surfaces have a lot of friction
rough
smooth
all
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10
×
When is friction a good thing?
Pushing a shopping trolley
Running a race
Skiing on the snow
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10
×
How does lubrication work?
The oil fills bumps and hollows to make a smoother surface
The oil stops the surfaces from wearing away
The oil reduces the heat created by friction
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10
×
What is NOT an example of an object that gets damaged over time by friction?
knife
oil (lubrication)
car tyres
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×
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