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Introduction to Physical Sciences: Understanding Matter and Energy

Explore the systematic knowledge and methods of collecting information in physical sciences, including Chemistry, Physics, and Astronomy. Learn about matter, energy, properties, and the scientific method. Gain insights into pure and applied sciences, the branches of science, and the scientific method.

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Introduction to Physical Sciences: Understanding Matter and Energy

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  1. ???? SCIENCE

  2. I. SCIENCE • systematic knowledge, or method of collecting information A. pure science – study of science for the sole purpose of collecting knowledge B. applied science – TECHNOLOGY the use of collected scientific knowledge ex: M & M’s, Tang, plastic, computers

  3. II. Branches of Science • PHYSICAL Chemistry Geology Physics Astronomy • LIFE Biology Ecology

  4. III. Physical Science • study of matter and energy • Chemistry – study of substances (matter) • and their reactions with other substances. B. Physics – study of the properties, changes, and behavior of matter and energy.

  5. C. Definitions 1. matter – anything that occupies space and has mass ex: solid, liquid, gas 2. energy – the ability of an object to move or to move something ex: heat, electricity, sound, light • property – description of an object and how it behaves

  6. IV. Scientific Method • Problem – idea to be tested or question to • be answered B. Collect information/ RESEARCH – ask someone, read, internet, observe, measure with instruments -A way of solving a problem, answering a question, or testing an idea C. Hypothesis – possible guess to a problem

  7. D. Experiment – test of a hypothesis using organized steps 1. variable – factor being tested CHANGE 2. control – factor not being tested SAME E. Record/Analyze Results – write down and graph information. 1. qualitative data – information that describes an objects physical characteristics or properties 2. quantitative data – numerical information Data tables and graphs F.Conclusion – answer to hypothesis

  8. V. Definitions A. Theory – a tentative explanation for how something behaves ex: cell theory, atomic theory B. Law – statement that describes how something behaves. may be a theory that has been proven to be true several times. Does not explain why. ex: gravity

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