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Chapter 1 Sections 1 & 2

Questions, Scientific Method, Experiments

AB
Life Sciencestudy of living things
Scientific Methodseries of steps that scientists use to solve problems
Observationany information you gather through your 5 senses
Datainformation that you write down during an experiment
Quantitative Datadata that deals with numbers such as 3mm or 16 jumps
Hypothesisa possible explanation for a problem that can be tested
Qualitative Datadata that deals with quality such as gray smoke or smelled like sulfur
Controlled Experimenttests only one factor at a time
Control groupwhat you compare your results to
Variablethe factor that changes
Conclusionthe answer to the hypothesis
Independent Variablewhat YOU decide to do differently
Dependent VariableD=D The data you write down (depends on the independent variable)
InferenceAn interpretation of an observation based on evidence and prior knowledge is a(n)
GraphA picture of the data collected


Life Science Teacher
Homedale Middle School

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