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process that results in mass being added to an organism; may include formation of new cells and new structures.
the process of change that occurs during an organism's life to produce a more complex organism
an explanation of natural phenomenon supported by many observations and experiments over time
a process by which the procedures used during an experiment and the results are evaluated by other scientists
the process of gathering information about events or processes in a careful, orderly way
a series of steps followed to solve problems including collecting data, formulating a hypothesis, testing the hypothesis, and stating conclusions
the one factor that can be changed in a controlled experiment; is the factor tested and affects the experiment outcome
factor being measured in a controlled experiment;value may change because of change to the independent variable
a factor the remains fixed during an experiment while the independent and dependent variables change
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