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Science Chapter 1

Terms

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physics
study of energy and how it effects matter
widthXheightXlegnth
the two methods to find the volume
scientific method
series of steps followed to solve problems
physical models
can be seen and touched
chemistry
looks at structure and properties of matter
tools
anything that makes a task easier
scientific law
tells you what happens but not why
gram
the basic unitin mass
physical science
study of non living matter
geochemist
specializes in chemistry of rocks minerals and soil
matter
stuff that everything is made of
water displacement method
the two methods to find the volume
model
pattern plan or represitation designed to show structure and workings of an object
law
summarizes many results and observations
controlled experiment
compares results from a control group with the results from an expremiental one
theory
explanaition for many hypothesis and observations
mass
basic unit is gram
liter
basic unit in volume
observation
process of obtaining info by using the senses
density
mass/volume
variable
one thing that is being tested
energy
the ability to do work
meter
the basic unit in length
conceptual models
system of ideas
mass and volume
two basic quanitys
hypothesis
educated guess
kelvin
*C + 273
volume
measure of the size of an object
data
info acquired through observations
mass
amount of matter in an object
density
the ratio of the mass of a substance to the volume of a substance
theory
attempts to explain the observations
science
knowledge obtained by observing natural events in conditions to discover facts and formulate laws that can be tested
chemistry
study of all forms of matter
celsuis
based on the freezing and boiling point of water
kelvin
is the basic unit of tempature in the metric system

Deck Info

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