organized way of using evidence to find things out
based on senses: sight, taste, smell, touch, and hear
Ex. the table is 3 feet high
an observation that can't be measured. feeling based.
Ex. the solution is purple
a prediction based on prior knowledge
an educated guess based on data
an experiment in which only one item is changed
Manipulated (Independent) Variable
the variable of an experiment that is changed
Dependent (Responding) Variable
the results of the experiment
a proposed explanation that unifies a series of ideas
every chemical reaction in the human body
a normal state that the body tries to maintain.
the study of life