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cobleskill: chemistry
test 1: chapter 1
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cobleskill: chemistry > test 1: chapter 1
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ch 1: calculations
cobleskill: chemistry > test 1: chapter 1
10 cards
Cards (90)
what is chemistry?
properties
of
matter
and the
changes matter
undergoes
how does chemistry relate to matter?
matter
is the
substance around us
what is science?
the
study
of
things around us
what is technology in science?
application
of
knowledge
for
practical
purposes
what is an example of technology in science?
computer
,
phones
, beakers
what is philosophy in science?
systematic
way of
thinking
,
guides
the use of
technology
what is an example of philosophy in
science
?
ethics
Can you make a
solid
,
well-thought-out
argument that's based on
facts
, not just
opinions
when
operating technology
knowing how it was made?
yes
, its all about making logical arguments
what is science not based on?
opinion
,
popularity
, or
democracy
what are examples of science?
anything that ends with
"
ology
"
what are the five characteristics of science?
reproducible
,
testable
,
tentative
,
predictive
,
explanatory
what are the steps in the scientific method?
hypothesis
,
experiment
,
data analysis
, and
conclusion
what is hypothesis?
predictive
statement about a
phenomenon
of
interest
what is scientific law?
explains
"
how
"
something occurs
what is an example of scientific law?
Law of gravity
,
law of inertia
what is scientific theory?
explains "
why
"
something occurs
what are examples of scientific theory?
germ
theory,
kinetic molecular
theory of
gases
what is a scientific model?
representations
of
scientific
ideas or
concepts
what are the limitations to scientific models?
dimensions
,
size
,
no life
,
physical features
what are examples of scientific models?
globe and atom
what is an experiment?
data
observation
collection
what is constants in experiments?
doesnt change
what is variable in experiment?
conditions that do change
what is control trial in experiment?
the
conditions
are
known
or held
constant
scientific research: what is basic research?
general aspects
of
phenomenon
scientific research: what is applied research?
explores a
phenomenon
with an
applied
focus
how do mass and weight relate?
they
both
measure
matter
how are weight and mass different?
mass
measures
matter
,
weight
measures the
force
of
gravity
what is physical property?
physical
characteristics of a
substance not dependent
on
composition
what are examples of physical property?
color
,
shape
,
state
,
melting point
what is a physical change?
change
in
physical properties
what is an example of physical change?
freezing water
,
breaking up ice
what is a chemical property?
chemical
characteristic of
substance dependent
on
composition
what is an example of chemical properties?
ability to
burn
and
react
to other
substances
what are chemical changes?
a
change
in
chemical properties
what are examples of chemical changes?
iron reacting with
oxygen
to form
rust
what are the
states
of
matter
?
solid
,
liquid
,
gas
states of matter: solid?
keeps the same
shape
and
volume
states of matter: liquid?
changes shape
and
keeps volume
states of matter: gas?
changes shape
and
volume
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