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biology unit 1 vocab

TermDefinition
scientific method problem solving procedure
hypothesis a prediction that can be tested
theory a well tested explanation, supported by many types of evidence
how a hypothesis is written if, ____ Then, ____ statement
cause and effect relationship between hypothesis and successful result
scientific method problem solving procedure
control group all variables must be kept the same, used for comparison
experimental group all variables must be kept the same except for variable being tested
sources of error things that may be change the experiment, making it invalid.
subject thing being experimented on,usually person\animal\plant etc.
bar graph when showing comparison
variable one aspect of there experiment; the amount of water, time outside,etc.
line graph when showing change over time
which variable goes on the x-axis? independent variable
which variable goes on the y-axis? dependent variable
independent variable what is being changed/tested
every graph should contain the following A. title B. proper unit C. lable
dependent variable what is being measured/observed
what are the 6 steps of the scientific method? 1. Identify a problem 2. hypothesis 3. controlled experiment 4. record data and analyze 5. conclusions 6. check for sources of error
how many variables does a controlled experiment test? only 1 variable.
Created by: horaciolozano
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