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vocabulary
chemistry!
24
Science
11th Grade
04/18/2011

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Cards

Term
chemistry
Definition
study of matter and the changes it undergoes.
Term
matter
Definition
has mass and takes up space
Term
mass
Definition
amount of matter in an object.
Term
weight
Definition
measure of amount of matter and also effect of earth's gravitational pull of that.
Term
scientific method
Definition
a systemic approach used in scientific study that typically includes observation, a hypothesis, experiments, data analysis,and a conclusion.
Term
qualitative data
Definition
information describing color, odor, shape, or some other physical characteristics.
Term
quantative data
Definition
numberical information, describing how much, how little, how big, how tall, how fast, etc.
Term
hypothesis
Definition
a tentative testable statement or prediction about what has been observed
Term
experiment
Definition
a set of controlled observations that test hypothesis.
Term
independent variable
Definition
in an experiment the variable that the experiment plans to change.
Term
dependent variable
Definition
in an experiment the variable whose value depends on independent variable.
Term
control
Definition
in an experiment standard that is used for comparison.
Term
conclusions
Definition
a judgement based on info obtained
Term
model
Definition
a visual verbal and or math explanation of data collected from many experiments.
Term
theory
Definition
an explanation supported by many experiments is still subject to new experimental data can be modified and is considered successful left can be used to make predictions that are true
Term
scientific law
Definition
describes a relationship in nature that is supported by many experiments.
Term
pure research
Definition
a type of scientific investigation that is under taken to solve a specific problem.
Term
technology
Definition
practical use of scientific information
Term
base unit
Definition
a defined unit in a system of measurement that is based on an object or event in the physical world and is independent to other units
Term
applied research
Definition
a type of scientific investigation that is undertaken to solve a specefic problem.
Term
second
Definition
unit for time.
Term
meter
Definition
the SI base unit for length.
Term
kilogram
Definition
SI unit for mass.
Term
derived unit
Definition
a unit defined by a combination of base units
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