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Section 1.1 Notes

Section 1.1 Notes. The Nature of Science. EQ?. 1.1 THE NATURE OF SCIENCE. How Science Takes Place: A scientist may perform experiments to find a new aspect of the natural world To explain a known phenomena To check the results of other experiments

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Section 1.1 Notes

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  1. Section 1.1 Notes The Nature of Science

  2. EQ? 1.1 THE NATURE OF SCIENCE • How Science Takes Place: • A scientist may perform experimentsto find • a new aspect of the naturalworld • To explain a known phenomena • To check the results of other experiments • To test the predictions of current theories • Scientists answer questions byinvestigating • Scientists plan experiments • Scientists observe • Scientists confirm results INSERTPICTURE

  3. EQ? 1.1 THE NATURE OF SCIENCE • The S of STEM • Science: observing, studying, and experimenting to find the nature of things. INSERTPICTURE

  4. EQ? 1.1 THE NATURE OF SCIENCE • The Branches of Science • Social Science: Deals with individual andgroup human behavior • Natural Science: Deals with how the nature or the whole universe behaves. • Biological Science: The Science of Living Things (Botany, Zoology, Ecology) • Physical Science: Science of Matter and Energy (Chemistry, Physics) • Earth Science: Science of the Earth (Geology, Meteorology, Astronomy) • The branches of science work together. • Biochemistry: The study of the matter of living things • Biophysics: The study of the forces that affect the living things • Science and technology work together. INSERTPICTURE

  5. EQ? 1.1 THE NATURE OF SCIENCE • The T & E of STEM • Technology: The application of science for practical purposes • Anything that man has altered from the natural world can be considered technology. • Engineering: Applying scientific knowledge and methods to design products people use. INSERTPICTURE

  6. EQ? 1.1 THE NATURE OF SCIENCE • The M of STEM • Mathematics can describe physical events. • Quantitative Statements: Utilize numbers (500 mL) and mathematical equations to describe something. • Equation examples: • Qualitative Statements: Use words to describe something (white, soft texture, porous, cylindrical). INSERTPICTURE

  7. EQ? 1.1 THE NATURE OF SCIENCE • Experimental results support laws and theories. • Scientific Law: Describes a process in nature that can be tested by repeated experiments. • It allows predictions to be made about how a system will behave under a wide range of conditions. • A scientific law does not explain how a process take place. • Scientific Theory: An explanation of how a natural process works. • A theory must explain observations clearly and consistently. • Experiments that illustrate the theory must be repeatable. • A theory must predict results. • Theories and laws are always being tested. INSERTPICTURE

  8. EQ? 1.1 THE NATURE OF SCIENCE • Models can represent physical events. • Scientific Model: A representation of an object or event that can be studied to understand the real object or event. • Models represent things that are too small, too big, or too complex to study easily. • A model can be a drawing, a mental “picture”, or a set of rules that describes how something works. • We used models in our every lives. INSERTPICTURE

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