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science
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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scientific theory
a possible explanation for repeatedly observed patterns in nature supported by observations and results from many investigations.
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scientific law
a rule that describes a patterns in nature but does not try to explain why something happens.
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system
collection of structures, cycle4s, and processes that relate to and interact with each other.
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life science
studyk of living systems and how they interact.
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earth science
study of Earth systems and systems in space, including weather and climate systems, and the study of nonliving things such as rocks, ocesns, and planets.
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physical science
study of matter, which is anything that takes up space and has mass, and the study of energyk, which is the ability to cause change.
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technology
use of science to help people in some way.
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hypothesis
reasonable guess that can be tested and is based on what os known and is what is observed.
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infer
todraw a conclusion based on observation.
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controlled experiment
involves changing one factor and observing its effect on one thing while keeping all other things constant.
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variable
factor that can be changed in an experiment.
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