Science - a system of knowledge and the methods you use to find that knowledge., technology - the use of knowledge to solve practical problems., physical science - focuses on nonliving things., chemistry - the study of the composition, structure, properties, and reactions of matter., physics - the study of matter and energy and the interactions between the two forces and motion., geology - the study of the origin, history, structure and systems of Earth., Astronomy - the study of the universe beyond earth. , biology - includes the physics and chemistry of living things., biologist - study the different ways that organisms grow, survive, and reproduce., hypothesis - a proposed answer to a question., variable - any factor that can change., controlled experiment - an experiment in which only one variable the manipulated variable is dehiberately changed at a time., observation - information that you obtain through your senses., the manipulated variable - causes a change., the responding variable - changes in response to the manipulated variable., Conclusion - describe how facts apply to a hypothesis., scientific theory - a well-tested explanation for a set of observations or experimental results., the metric system - is a measurement system based on our decimal number system., meters - measure length or distance., millimeter - is about the thickness of a dime., grams - used to measure mass or the weight of an object., liters - measure liquids or capacity., metric conversion - convert within the metric system., temperature - the average speed of air molecules , Fahrenheit - the most common measure we use , Celsius - the metric standard , kelvin - used In scientific world , bar graph - the pictorial representation of grouped data in vertical or horizontal rectan,

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