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| A questioning and often doubtful attitude. |
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| Is the act of noting or perceive objects or events by using senses. |
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| Is a possible explanation that can be tested by observation or experimentation. |
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| Is a procedure that is carried out under controlled conditions to test a hypothesis. |
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| Serves as a standard of comparison because the group receives no experimental treatment. |
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| A system of ideas that explains many related observations and is supported by a large body of evidence acquired through scientific investigation. |
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| The international system of units, which is the measurement system that is accepted by scientist worldwide. |
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| Is a highly organized, tiny structure that is enclosed in a thin covering called a membrane. |
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| 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 organisms. |
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| Is the process by which organisms make more of their own kind from one generation to another. |
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| When a organism reproduces, it passes on its own traits to its offspring. |
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| Inherited characteristics change over generations. |
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| Variable that cause something to change. |
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| Variables that are a result of something that changed. |
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| A group of subjects who are exposed to the variable under study. |
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| The final observation of your experiments. |
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| Review results from all your experiments. |
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| When You and your helpers all gather to review the results from the experiments. |
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