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Scientific Method MIQ’s

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# Scientific Method MIQ’s - PowerPoint PPT Presentation

Scientific Method MIQ’s. Why do scientists follow the scientific method? What are the steps to the Scientific method? How can I remember the steps in order?. Problem. Step 1 This is what we want an answer for. Problem continued. This must be a question. It must include a question mark.

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### Scientific MethodMIQ’s

Why do scientists follow the scientific method?

What are the steps to the

Scientific method?

How can I remember the steps in order?

Problem
• Step 1
• This is what we want an answer for.
Problem continued.
• This must be a question.
• It must include a question mark.

???

Research
• Step 2
• Information to help answer questions.
• Also called background research.
• This can be “bookwork” (or internet) or it can be lab or field observations(real world stuff…remember that?
Research cont.
• Start by outlining the experiment and doing an experimental design diagram.
• Determine the controls and variables. Controls or constants are the things that are kept the same throughout the experiment.
Research cont.
• The variables are the things that you change or that change because of the experiment.
Hypothesis
• Step 3
• This is called a predication as to how one variable will affect another.
• It is often written as and if…then statement.
Experiment
• Step 4
• Here’s where the fun begins.
• This is the process of setting up a controlled situation to support your hypothesis.
Experiment cont.
• Determine what data you have to collect and design a data table to support (or refute) the hypothesis.
• Data should be specifically measurable. This means you observe, AND record color, height, weight, etc (###)
Experiment cont.Dependent and Independent Variables
• The independent variable is the one you (the experimenter) determines.
• It is sometimes called the manipulated variable.
Experimental variables cont.
• The dependent variable is what changes as the result of the experiment.
• Both variables should have columns in a data table.
Analysis
• Step 5
• Graph, graph, graph
• What does the data show you?
Analysis cont.
• Did the independent variable cause the change in the dependent variable?
• So to simplify…analyzing results means look at the data what does it tell you?
Conclusion
• Using the data and the graph generated, answer the question that was originally asked.
• Always refer to the data and the hypothesis when writing the conclusion.
Report results in writing
• Include all of the above in a standard format that demonstrates a clear connection between independent and dependent variables.
Report cont.
• Note all possible errors and biases.
• What are further hypotheses or experiments to further support this one?