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| A questioning and doubtful attitude. |
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| The process of obtaining information by using the senses. |
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| a testable idea or explanation that leads to scientific investigation |
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| a procedure that is carried out under controlled conditions to discover, demonstrate, or test a fact, theory, or general truth |
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| use proper mathematical analysis to see if the results of the experiment support or refute the hypothesis. |
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| Comparing the information from the experiments conducted in step four |
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| review and check your work. |
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| serves as a standard of comparison because the group receives no experimental treatment |
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| used very differently by scientists and by the general public |
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| which is the official name of the metric system |
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highly organized, tiny structure that is enclosed in a thin covering called a membrane. The basic structure of cells is the same in all organisms.
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| All living organisms must maintain a stable internal environment in order to function properly. The maintenance of stable internal conditions in spite of changes in the external environment |
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| is the sum of all of the chemical reactions carried out in an organism. |
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| the process by which organisms make more of their own kind from one generation to the next. |
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| When an organism reproduces, it passes on its own traits to its offspring |
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| Inherited characteristics change over generations |
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a variable that is intentionally changed to observe its effect on the dependent variable.
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| a group of subjects closely resembling the treatment group in many demographic variables but not receiving the active medication or factor under study and thereby serving as a comparison group when treatment results are evaluated. |
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| The experimental group receives the independent variable while the control group does not |
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| the event studied and expected to change when the independent variable is changed |
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