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Transcript of Scientific Process
What is Science?
Science is a body of knowledge based on the study of the natural world
As a discipline, Science is largely defined by its primary method
Observation means perceiving objects or phenomenon using one or more of the five senses
The first step in understanding something is to focus on a single question or small set of questions
Scientists rarely answer big, general questions all at once
A hypothesis is a testable statement that can be shown to be true or false by experimentation
NOT A GUESS
cats use the dark side of the force
Dogs bark at cats because
This sets a limit on science;
Science cannot speak directly to such issues as morality or religion
An experiment is a planned procedure designed to test a hypothesis
A good experiment makes sure that we are examining the contribution of a specific variable, "experimental variable", to the observation
To ensure the results are meaningful, an experiment contains both a experimental group and a control group
Experimental Vs. Control
kind of treatment
Independent Vs. Dependent
The factor that is changed
as a result
the site of cats elevates their midi-chlorian hormones
Scientists analyze the data obtained from an experiment in order to reach a conclusion as to whether the hypothesis is supported or not
A theory is an explanation for natural events that is based on a LARGE number of observation
Should be presented in a neat fashion, usually tables and graphs
Mean = Averge
Some scientific questions cannot be answered by experimentation
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Median = The Midpoint
Range = Distance Between Extrems