Atoms are the smallest pieces of an element
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Atoms are the smallest pieces of an element
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Density is the amount of atoms in an object.
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Diffusion is the movement of atoms from high concentration to low concentration.
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Matter cannot be created or destroyed, only changed.
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What you change in the What you change in the experimentexperiment
(to make life easier for your students, you may (to make life easier for your students, you may want this “change” to be measurable - i.e. weight, want this “change” to be measurable - i.e. weight,
mass, volume, height, etc..)mass, volume, height, etc..)
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The INDEPENDENT VARIABLE and the The INDEPENDENT VARIABLE and the DEPENDENT VARIABLE are close DEPENDENT VARIABLE are close
relatives and can be found relatives and can be found throughout the following steps of throughout the following steps of
scientific inquiry:scientific inquiry:
QUESTIONSQUESTIONSHYPOTHESISHYPOTHESISDATA TABLESDATA TABLES
and and
GRAPHSGRAPHS
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All scientific All scientific experiments begin experiments begin
with simple with simple questions….questions….
It is this sense of It is this sense of inquiry that ESP inquiry that ESP
begins its journey….begins its journey….
……with a with a QUESTIONQUESTION
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QuestionsQuestions
How does theHow does the ___________________
(Independent (Independent Variable)Variable)
affect theaffect the ___________________? (Dependent Variable)(Dependent Variable)
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Now that you’ve Now that you’ve asked a asked a QUESTION, QUESTION, it is time to change it is time to change it into a measurable it into a measurable
and educated and educated guess….guess….
… … a a HYPOTHESISHYPOTHESIS
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HypothesisHypothesis
If theIf the __________________________ isis
____________,____________,
(Independent Variable)(Independent Variable) (increased/decreased)(increased/decreased)
then thethen the ________________________ willwill ___________.___________.
(Dependent Variable) (increase/decrease)(Dependent Variable) (increase/decrease)
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All data that is collected All data that is collected within an experiment must within an experiment must
be in an easy format for be in an easy format for future study. The future study. The
following following DATA TABLE DATA TABLE should remain the same should remain the same throughout each of your throughout each of your student’s experiments. student’s experiments. With practice, they will With practice, they will
become very proficient in become very proficient in recording data that can be recording data that can be
easily analyzed.easily analyzed.
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Data TableData Table
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IndependeIndependent Variablent Variable
Dependent Dependent VariableVariable
Data TableData Table
Trial Trial OneOne
TrialTrial TwoTwo
Trial Trial ThreeThree
AveragAveragee
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While analyzing the data in an While analyzing the data in an experiment, you are typically experiment, you are typically
looking for patterns and looking for patterns and relationships between what relationships between what
you are changing you are changing (the INDEPENDENT (the INDEPENDENT
VARIABLE)VARIABLE) and your data and your data (the DEPENDENT (the DEPENDENT
VARIABLE).VARIABLE).
A A GRAPHGRAPH can help visualize can help visualize the data in a way that is easier the data in a way that is easier
to see any of these possible to see any of these possible relationships.relationships.
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GRAPHS
GRAPHS
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Independent Independent VariableVariable
Dependent Dependent VariableVariable
TitleTitle
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The The TITLETITLE of any of any GRAPHGRAPH should restate the should restate the HYPOTHESISHYPOTHESIS of the of the
experiment….experiment….
…….this helps the person who is .this helps the person who is reading your graph to easily reading your graph to easily identify what the data is all identify what the data is all
about!!!about!!!
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GRAPH TITLESGRAPH TITLES
The effect of theThe effect of the ________________________________
(Independent (Independent
Variable)Variable)
on theon the _________________._________________.
(Dependent Variable)(Dependent Variable)