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| a tool used to help identify objects and organisms based on a series of questions about their characteristics |
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| things that stay the same on purpose in an experiment |
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| the part of an experiment where the independent variable is left unchanged to provide a comparison |
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| all the facts, descriptions, and numbers collected during an experiment |
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| the variable in an experiment that can be measured or observed to see how it responds to a change made to the independent variable. |
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| aa rough or approximate calculation of the amount, size or value of something |
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| an explanation based on scientific reasoning that can be tested to see if it is correct; "if ______, then ________" statement |
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| the variable you change on purpose, "I' change it. |
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| a conclusion based on prior knowledge or evidence about what has already occured |
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| measures, distance length and depth |
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| using the five senses to form a hypothesis |
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| an educated guess about what you expect to happen in the future based on past experience and careful observation |
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| using descriptions to show how things are |
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| using numbers to express measurement |
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1. Question
2. Research
3. Hypothesis
4. Experiment and Observation
5. Data
6. Conclusion |
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| the general direction in which data is headed or the way it is changing |
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| something that can be changed in an experiment |
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