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Scientific Method

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by

Matthew Halloran

on 29 September 2015

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Transcript of Scientific Method

The Scientific Method
Step #1
Pose a Question
- a statement that requires an answer
- what is a question that you would like to learn more about?
Step 2
Making Observations and Inferences
Observations
Inferences
- made with your five senses or a scientific instrument
- they are facts
- an inference is an interpretation of an observation
- they are not facts
- can you suggest some examples of inferences?
Step #3
Develop a Hypothesis
- a hypothesis is a possible explanation for a set of observations or answer to a scientific question
- it usually is an if ... then statement
- it is something that can be tested
- get with your table partner and develop a hypothesis
Step #4
Design an Experiment
- you need to keep all the variables the same, except one, the one you are testing

Variable
- factors that can change or be changed in an experiment
Independent Variable
- the variable that is changed
- the variable whose effect is being studied
Controlled Variables
- variables in an experiment that a scientist purposely keeps the same
Dependent Variable
- the variable that is measured in the experiment
Step #5
Analyze the Data
- Is the data reliable?
- Does the data support or not support your hypothesis?
No
Yes
Step #6
Come to a Conclusion
- look for trends and specific pieces of data that can either support or not support your hypothesis
-
write a conclusion
that summarizes the important parts of your experiment and the results
Is the data inaccurate or the experiment flawed?
Yes
Modify / Change the Experiment
No
Full transcript