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The International System of Units (SI)

Terms in this set (10)

Why are metric units easy to use?
Metric is easy to use because all the units are based on multiples of 10.
What temperature units do scientists commonly use?
degrees C and K
What determines density?
Density is determined by the amount of matter in a given space; d=m/v.
Write the name and symbol of the SI units for mass, length, volume, and temperature.
Mass: Kilogram (kg); length: meter (m); volume: cubic meter (m^3); temperature: Kelvin (K)
Write the symbol and meaning of milli-.
m; 10^-3 of the unit
Write the symbol and meaning of nano-.
n; 10^-9 of the unit
Write the symbol and meaning of deci-.
d; 10^-1 of the unit
Write the symbol and meaning of centi-.
c; 10^-2 of the unit
State the difference between mass and weight.
Mass is the amount of matter in an object; weight is the force of gravity on an object.
How does density vary with temperature?
Density generally decreases when temperature increases.
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