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| way of learning more about the natural world that provides possible explanations to questions and involves using a collection of skills |
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| a possible explanation for repeatedly observed patterns in nature supported by observation and results from many investigations |
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| a rule that describes a pattern in nature but does not try to explain why something happens |
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| collection of structures, cycles, and processes that relate to and interact with each other |
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| study of living systems and how they interact |
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| study of Earth systems and systems in space, including weather and climate systems, and the study of nonliving things such as rocks, oceans, and planets |
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| study of matter, which is anything that takes up space and has mass, and the study of energy, which is the ability to cause change |
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| use of science to help people in some way |
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| a record or description of an occurrence or patter in nature |
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| reasonable guess that can be tested and is based on what is known and what is oberved |
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| to draw a conclusion based on observation |
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| involves changing one factor and observing its effect on one thing while keeping all other things constant |
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| factor that can be changed in an experiment |
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| variable that is changed in an experiment |
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| variable that changes as a result of a change in the independent variable |
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| variable that is not changed in an experiment |
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| any representation of an object or an event that is used as a tool for understaning the natural world; can communicate observations and ideas, test predictions, and save time, money, and lives |
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| processes scientists use to collect informaton and answer questions |
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| an educated guess as to what is going to happen based on observation |
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| involves using knowledge and thinking skills to evaluate evidence and explanations |
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| information gathered during an investigation; recorded in the form of descriptions, tables, graphs, or drawings |
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| explanation of things or events that is based on knowledge gained from many observations and experiments |
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