Bio Midterm Review (freshman)
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14 Terms
Hypothesis
A possible answer to a scientific question based on logical knowledge
scientific theory
A broad explanation for events, that is widely accepted as true (explains WHY something happens)-more like a fact than a guess, well supported
Steps of the scientific theory
Making observations
Asking a question
Research existing knowledge
Form a hypothesis
Test the hypothesis
Draw conclusions
Communicating results
Control group
unaltered, normal group that all other groups are compared to
Experimental group
has one independent variable altered
independent variable
the thing you change
Dependent variable
the thing you measure
qualitative data
descriptions as data
quantitive data
numbers as data
how many things (variables) should you be testing in a good experiment? Why?
One variable, you can pay close attention, ensure its as accurate as possible