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15
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What is density?
It is a mass unit of volume of a material substance
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baam
Lose 25 points!
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magnet
Take 10 points!
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rocket
Go to first place!
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baam
Lose 5 points!
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15
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What is the volume of 27g of aluminium if it's density is 2.7g/cm3?
27g/2.7g/cm3=10cm3
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15
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Which are the units of density?
g/cm3 or kg/m3
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boom
Lose 50 points!
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star
Double points!
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gift
Win 20 points!
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baam
Lose 15 points!
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15
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To increase the stability of an object the centre of gravity should be?
as low as possible
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15
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If it is less dense will it float or sink?
it will float
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15
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What is the equation of density?
d=m/v
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boom
Lose 50 points!
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gift
Win 15 points!
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gift
Win 20 points!
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banana
Go to last place!
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15
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What is none uniform density?
when the object is not made of the same material
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15
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To increase the stability of an object the base area should be?
as wide as possible
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15
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How is mass measured?
by balance or scale
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15
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If density is 3okg/m3 and mass is 15kg what is volume?
d=m/v v=m/d 15kg/30kg/m3=0.5m
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15
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What is center of mass?
It is the point where the whole weight can be concetrated
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