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Praxis Review for Earth Science

The Scientific Method. The Scientific Method has several steps:A natural phenomenon is observedA hypothesis (proposed explanation) is madeAn experiment is performedResults are obtainedThe hypothesis is supported or disprovedAny scientific explanation is called a theory. The Scientific Method.

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Praxis Review for Earth Science

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    1. Praxis Review for Earth Science By Frank H. Osborne, Ph. D. 1: Introduction-Basic Principles

    2. The Scientific Method The Scientific Method has several steps: A natural phenomenon is observed A hypothesis (proposed explanation) is made An experiment is performed Results are obtained The hypothesis is supported or disproved Any scientific explanation is called a theory

    3. The Scientific Method The Nature of Science: Science is based on observations and measurements, not on belief or dogma. We learn in science, not by proving something true, but by proving something else to be false. All scientific knowledge is tentative. There is not just one method.

    4. The Scientific Method The Nature of Science: Scientific knowledge is consistent with evidence, subject to change and open to criticism. Models are used to help study natural things and processes. Science has many disciplines but the knowledge forms a unified whole.

    5. The Scientific Method Some major figures in science: Curie Mendel Darwin Galileo Hutton Mendeleev Einstein Dalton

    6. The Scientific Method Some major events in science: DNA structure Big bang theory Atomic imaging Light bending in gravitational fields

    7. The Metric System The Metric System is used for measurement. Length is measured in units of the meter. Volume is measured in units of the liter. Mass is measured in units of kilograms. Time is measured in units of seconds.

    8. The Metric System Prefixes used in the Metric System

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