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Chapter 5 Vocabulary

Matter- Properties and Changes

TermDefinition
Science Way of learning about the natural world that provides possible explanations to questions and involves using a collection of skills.
Scientific Theory A possible explanation for repeatedly observed patterns in nature supported by observations and results from many investigations.
Scientific Law A rule that describes a pattern in nature but does not try to explain why something happens.
System Collection of structures, cycles, and processes that related to and interact with each other.
Life Science Study of living systems and how they interact.
Earth Science 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.
Physical Science 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.
Technology use of science to help people in some way.
Hypothesis reasonable guess that can be tested and is based on waht is known and what is observed.
Infer to draw conclusion based on observation
Controlled experiment involves changing one factor and observing its effect on one thing while keeping all other things constant.
Variable factor that can be changed in an experiment.
Independent Variable variable that is changed in an experiment
Dependent Variable variable that changes as a result of a change in the independent variable.
Constant variable that is not changed in an experiment
Model any representation of an object or an event that is used as a tool for understanding the natural world; can communicate observations and ideas, test predictions, and save time, money, and lives.
Critical Thinking involves using knowledge and thinking skills to evaluate evidence and explanations.
Data information gathered during an investigation; recorded in the form of descriptions, tables, graphs, or drawings.
Created by: diondrawellsmays