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# SI Base Units

### CAVA Chem 302/303 SI Base Units

Decimal measurement is based on breaking a standard unit into [...]. Decimal measurement is based on breaking a standard unit into tens.
The metric system gained popularity after the [...]. The metric system gained popularity after the French Revolution.
the French Academy of Sciences developed a useful base-10 system of units called Système International d'Unités ( [...], or International System of Units). the French Academy of Sciences developed a useful base-10 system of units called Système International d'Unités ( SI, or International System of Units).
The basis for all SI measurements is the [...] system. The basis for all SI measurements is the metric system.
The [...] is the metric base unit for length. The meter is the metric base unit for length.
The standard meter (m) is one ten-millionth the distance from the [...] to the North Pole. This length was marked on a brass bar and kept by the French Academy. The standard meter (m) is one ten-millionth the distance from the equator to the North Pole. This length was marked on a brass bar and kept by the French Academy.
The [...] is the SI base unit for mass. (*instead of the [...]... for stupid historical reasons... I know, it's dumb.*) The kilogram is the SI base unit for mass. (*instead of the gram... for stupid historical reasons... I know, it's dumb.*)
The first metric unit of mass was the [...]. It was defined as the mass of one cubic centimeter of water at 4°C. The first metric unit of mass was the gram. A gram (g) was defined as the mass of one cubic centimeter of water at 4°C.
The standard for temperature used to be degrees [...]. The standard for temperature used to be degrees Celsius.
The SI base unit for temperature is now the [...]. The SI base unit for temperature is now the kelvin.
Metric system units are based on powers of [...]. Metric system units are based on powers of ten.
[...]: SI base unit of electric current ampere (A): SI base unit of electric current
[...]: SI base unit of light intensity candela (cd): SI base unit of light intensity
candela (cd): SI base unit of light [...] candela (cd): SI base unit of light intensity
ampere (A): SI base unit of electric [...] ampere (A): SI base unit of electric current
[...]: SI base unit of time. This is the only unit that is not based entirely on 10. second (s): SI base unit of time. This is the only unit that is not based entirely on 10.
centi = [...] centi = 1/100
mili = [...] mili = 1/1,000
micro = [...] micro = 1/1,000,000
deci = [...] deci = 1/10
deka = [...] deka = 10
hecto = [...] hecto = 100
kilo = [...] kilo = 1,000
mega = [...] mega = 1,000,000
giga = [...] giga = 1,000,000,000
[...]= 1/100 centi = 1/100
[...]= 1/1,000 mili = 1/1,000
[...]= 1,000 kilo = 1,000
the [...] is the SI base unit of number of particles (lesson says "amount of substance", which is misleading) the mole is the SI base unit of number of particles (lesson says "amount of substance", which is misleading)
the mole is the SI base unit of [...] (lesson says "amount of substance", which is misleading) the mole is the SI base unit of number of particles (lesson says "amount of substance", which is misleading)
the mole is the SI base unit of number of particles (lesson says "[...]", which is misleading) the mole is the SI base unit of number of particles (lesson says "amount of substance", which is misleading)
Created by: mr.shapard