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25 Cards in this Set

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a summary of many experimental results and observations; a law tells how things work
law
the amount of space that something occupies, or the amount of space that something contains
volume
quantities formed from combinations of other measurements. example: density
derived quantity
a unifying explanation for a broad range of hypotheses and observations that have been supported by testing
theory
the amount of matter that something is made of
mass
the variable that is changed by the experimenter. also called the manipulated variable
independent variable
the use of the senses to gather information
observation
the application of knowledge, tools, and materials to solve problems and accomplish tasks; technology can also refer to the objects used to accomplish tasks; makes life easier
technology
the amount of matter in a given space; mass per unit volume; equals mass divided by volume
density
a possible explanation or answer to a question
hypothesis
a representation of an object or system
model
body of knowledge obtained by questioning, testing, collecting data, and analyzing
science
organizing numerical data into tables and graphs
analysis
repetitions of a scientific experiment; must have at least 3 to 5
repeated trials
any pieces of information acquired through experimentation
data
variable(s) that are kept the same throughout an experiment
constant
a measure of how hot or cold something is; specifically, the measure of average kinetic energy of the particles in an object
temperature
the basic unit of length in the SI system
meter
the measure of how much surface an object has
area
the study of matter
chemistry
the variable that changes because of changes in the independent variable; also called the responding variable
dependent variable
a series of steps that scientists use to answer questions and solve problems
scientific method
the study of matter and energy
physical science
the study of energy and how it interacts with matter
physics
level of the independent variable that is used for comparison purposes
control