Module 1 Flashcards
(30 cards)
a physical property defined as the amount of mass per unit volume
density
a defined unit in a system of measurement that is based on an object or event in the physical world
base unit
matter that has a definite and uniform composition
substance
a unit that is defined by a combination of base units
derived unit
the difference between an experimental value and an accepted value
error
a measurement that reflects the amount of matter
mass
an explanation of a natural phenomenon based on many observations and investigations over time
theory
the variable that a scientist deliberately changes during an experiment
independent variable
the study of matter and the changes it undergoes
chemistry
a relationship in nature that is supported by many experiments, with NO exceptions
scientific law
a testable explanation of a situation or phenomena
hypothesis
the variable whose value depends on, or changes in response to, the independent variable
dependent variable
temperature
kelvin
length
meter
luminous intensity
candela
mass
kilogram
electric current
ampere
time
second
amount of substance
mole
nano
0.000000001
centi
0.01
milli
0.001
Fahrenheit to Kelvin
K = (F − 32) × 5 ⁄ 9 + 273.15
Kelvin to Fahrenheit
(K − 273.15) × 9/5 + 32 = °F
