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chem vocab
vocab
30
Chemistry
10th Grade
08/18/2011

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Term
science
Definition
the process whose goal is to understand the world around us
Term
chemistry
Definition
study of the properties and interactions of atoms and molecules
Term
ochem
Definition
deals with the element carbon
Term
inorganic chem
Definition
deals with all other chemistry
Term
biochem
Definition
chemistry of living things
Term
physical chem
Definition
deals with architecture and geometry of molecules and atoms
Term
analytical chem
Definition
qualitative and quantitative determination of chemical components of substances
Term
technology
Definition
uses scientific information to improve lives
Term
scientific method
Definition
used as a logical thought process to ensure valid research
Term
control
Definition
setup that provides a standard for comparison in an experiment
Term
variable
Definition
one condition in an experiment that changes while all other remain same
Term
hypothesis
Definition
a possible explanation for an event in nature
Term
theory
Definition
a hypothesis that is widely accepted as correct
Term
law
Definition
a law describes a thesis
Term
observation
Definition
an act or instance of noticing or perceiving using one or more oft he 5 senses
Term
qualitative observation
Definition
use words to describe
Term
quantitaive oberservation
Definition
observation using numbers
Term
interpretation
Definition
explains the observation by answering why
Term
metric system
Definition
measurement system used throughout the world
Term
meter
Definition
base unit for length
Term
gram
Definition
base unit for mass
Term
liter
Definition
base unit for measuring volume liquids
Term
kelvins
Definition
used to measure temperature
Term
celsius
Definition
metric scale for measuring temperature
Term
accurate
Definition
free from error or accepted value
Term
precise
Definition
reproductibility in replicate measurements
Term
meniscus
Definition
curved surface of a liquid in a narrow cylindrical container
Term
parallax error
Definition
happens when a meniscus is viewed from an angle
Term
scientific notation
Definition
written as m*10^N where m is between 1-10 and n is a whole number
Term
significant digits
Definition
all nonzero digits of a number and the zeros that are between them or are final zeros
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