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bio vocabulary 2
term | definition |
---|---|
variable | anything that can affect an experiment or outcome |
one | number of variables that can be tested at a time |
scientific method | steps to answer a scientific question |
independent variable | the variable changed by the experimenter to observe the results |
dependent variable | the variable that is measured |
control group | group that is not tested ,but used only to compare |
experimental group | the group that is tested/experimented on |
quantitive | data is numerical, like time, number of, or mass |
hypothesis | guess or prediction |
experiment | process used t test hypothesis |
theory | an idea with that has a lot of data to support it, but it's not a proven fact |
law | a stament bases on repeated experimental observations, observed in nature |
qualitative | data describing the quality ,like appearance, color, of movement, or smell |
experiment error | weakens a scientific study, can be due to inaccurate measurements, faulty tools, improper set up |
model | tools for representing ideas and explanations, can be diagrams, drawing, physical replicas, mathematical representations, or simulations |
phenomenon | a fact or situation that is observed to exist or happen, especially one whose case or explanation is in question |