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A solid magnesium flare has a mass of 265.7 g and a volume of 55 cm3. What is the density of the magnesium?
4.83 g/cm3
Calculate the mass of a liquid with a density of 5 g/mL and a volume of 20.5 mL.
m = dv = (5)(20.5) = 102.5 g
Why would a cube measuring 20 cm3 and 2 kg float and a cube measuring 5 cm3 and 25 kg sink?
The cube with the larger volume and small mass is less compact than the cube with a small volume and large mass.
The base unit for measuring length is _____________.
meter (m)
Convert 56 mL to ___________ L.
0.056
List two prefixes that can be placed before a base unit if needed.
kilo;hecto;deca;centi;deci;milli
Convert 456 kg to ___________ g.
456,000
The derived unit used to measure density would be ___________.
kg/cm3; g/mL; g/cm3; kg/mL
The base unit for measuring mass is ___________.
gram (g)
Object A has a volume of 15 cm3 and a mass of 15kg. Object B has a volume of 5 cm3 and a mass of 15 kg. Which would you expect to sink and which would you expect to float?
Object A will float while object B will sink.
The equation to calculate density is _______________.
D = m/v
Density is the measurement of the __________ over the measurement of the __________ of an object.
mass;volume
Give the name of the mathematician responsible for the method of measuring the volume of an irregularly shaped object.
Archimedes
What is the name of the method used to measure the volume of an item that is not shaped regularly?
Displacement Method
Name the country responsible for the proposal of the SI units.
France
Name one way that anicent merchants measured items for trade.
Kings foot; barley grains; goat skins
The International System of Units is also known as ________ __________.
SI Units


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