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Glossary of 7th Science 1st Chp

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3 types of models
physical model-dolls, maps
mathematical-equations and data
conceptual-Big Bang Theory
theory
a unifying explantion for a broad range of hypotheses and observations that have been supported by testing
variable
a factor that can be changed in an experiment
science
a process of gathering knowledge about the natural world
mass
the amount of matter something is made of
model
a representation of an object or system
data
any pieces of information gathered through experimentation
scientific method
the ways in which scientist answer questions and solve problems
volume
the amount of space that something occupies or the amount something contains
area
a measure of how much surface an object has
density
the amount of matter in a given volume
hypotesis
a possible explantion or answer to a question
law
a summary of many experimental results and observations: a law tells how things work
temperature
measure of hot(cold) something is

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