9/29/22 - Units of Measurement and Conversions Flashcards
What is the prefix -deci (d) ?
0.1 or 1 x 10^-1
What is the prefix -centi (c) ?
0.01 or 1 x 10^-2
What is the prefix -milli (m) ?
0.001 or 1 x 10^-3
What is the prefix -micro(μ) ?
1 x 10^-6
What is the prefix -kilo (k) ?
1000 or 1 x 10^3
What is the prefix -mega (M) ?
1,000,000 or 1 x 10^6
What is the SI base unit of mass?
Kilograms (kg)
What is the SI base unit of length?
Meter (m)
What is the SI base unit of time?
Second (s)
What is the SI base unit of temperature?
Kelvin (K)
What is the SI base unit of electric current?
Ampere (A)
What is the SI base unit of an amount of a substance?
Mole (mol)
What is the SI base unit for luminosity?
Candela (cd)
What does a unit conversion look like?
Given Unit x (Desired Unit)/(Given Unit)
What is the SI unit for volume?
Cubic centimeters (cm^3)
What is the conversion between cm^3 and liters?
1 L = 1000 cm^3
1 mL = 1 cm^3
In what units do we measure density?
g/cm^3 or g/mL
What is typically the effect of raising temperature on the density of a substance?
The density typically drops.
What is the difference between weight and mass?
Mass is constant because an object’s quantity of matter doesn’t change.
Weight is variable because it depends on the local gravitational field acting on an object.