Introduction to The Scientific Method Spring08

Introduction to The Scientific Method Spring08 -...

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Unformatted text preview: Announcements No Class or Lab next Monday. Ceasar Chavez Holiday. Characteristics of Life Utilize energy from environment Reproduce Respond to Stimuli (internal/external) Homeostatic Grow and Develop Adapted Organized Introduction to The Scientific Method What is the Scientific Method? A system of investigation that consists of three major steps: Step 1 = gathering facts or making an observation Step 2 = developing a hypothesis (explanation) to explain your observation Step 3 = testing your hypothesis Step 1 for Primrose Example Observation = Plants on the northern side of your house are large and blooming profusely, while those on the southern side of the house are small, with few blooms Step 2 for Primrose Example Note the following Soil is dry on the southern side of the house, but moist on the northern side of the house, thus, Hypothesis = The primroses on the southern side of the house show poor growth because the soil there is too dry. Step 3 Testing Your Hypothesis Requires Four Sub-steps Designing an experiment Making a prediction about the outcome of the experiment (based on the assumption that your hypothesis is correct) Conducting the experiment and collecting data (results) Drawing a conclusion = interpreting the results of the experiment What is an Experiment?...
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This note was uploaded on 04/10/2008 for the course BIOL 155 taught by Professor Stewart during the Spring '08 term at California State University Los Angeles .

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Introduction to The Scientific Method Spring08 -...

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