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Scientific MethodA way to ask and answer scientific
questions by making observations and doing
experiments.
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State The QuestionHow, What, When, Who, Which,
Why , or Where…Start with question.
Question must be something that you can measure preferable
with a number.
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Research (Collect Information)Look it up!Look up information on the internet, in books, magazines and past projects.
1. Identify keywords in the question2. Brainstorm keywords and
concepts3. Know and learn about concepts
Research helps you understand your project
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Form Hypothesis
Hypothesis: An educated guess by you, planned out and supported by facts.
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If (IV) , then (DV – trend) . I base my hypothesis on these facts.1. 2.3. 4. (this one my be personal)
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Test Your Hypothesis
Material: List of materials and equipment
Procedure: Written Steps for doing the experiment
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Your experiment tests whether your hypothesis is true or false. It is important for experiment to be a fair
test. Change only one factor at a time while keeping all other conditions the same.
REPEAT if time permits.
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Once experiment is complete, collect measurements and analyze them to see if hypothesis is supported or not. •Make sure to label all graphs and tables•Include units of measurements•Use graphs, tables and/or charts to show data
Record and Analyze Data
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Draw ConclusionSummarize how your results support or contradict your original hypothesisWrite in complete sentences
Support conclusion; include key facts from researchState whether results support or contradict hypothesis
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Summarize and evaluate experiment
Suggest changes in experimental procedure for further study
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Types of VariablesVariable – any factor, trait or condition that exists in differing amount or types
Independent variable – one variable that is changed
Dependent variable – how it responds to the change made by the independent variable
Controlled variable – remains constant
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