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Science is a systematic and logical approach to discovering how things in the universe work. It is also the body of knowledge accumulated through the discoveries about all the things in the universe. The scientific method is the process by which scientists, collectively and over time, endeavor to construct an accurate (that is, reliable, consistent and non-arbitrary) representation of the world.Recognizing that personal and cultural beliefs influence both our perceptions and our interpretations of natural phenomena, we aim through the use of standard procedures and criteria to minimize those influences when developing a theory. Steps of the Scientific Method PurposeQuestion- What do you want to learn? An example would be, What doorknob in school has the most germs ? or Do girls have faster reflexes than boys? or Does the color of a light bulb affect the growth of grass seeds?Research- Find out as much as you can. Look for information in books, on the internet, and by talking with teachers to get the most information you can before you start experimenting.Hypothesis- After doing your research, try to predict the answer to the problem. Another term for hypothesis is cause and effect. Be sure your hypothesis is testable and includes the independent and dependent variable. Also back up your hypothesis with scientific explanation. This is usually stated like If I...(do something) then...(this will occur) An example would be, If I grow grass seeds under yellow light bulbs, then they will grow faster than plants growing under red light bulbs.Variables: The things that are changing in an experiment. A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled.Experiment- The fun part! Design a test or procedure to find out if your hypothesis is correct. In our example, you would set up grass seeds under a green light bulb and seeds under a red light and observe each for a couple of weeks. You would also set up grass seeds under regular white light so that you can compare it with the others. If you are doing this for a science fair, you will probably have to write down exactly what you did for your experiment step by step.Analysis- Record what happened during the experiment. Also known as data.Conclusion- Review the data and check to see if your hypothesis was correct. If the grass under the green light bulb grew faster, then you proved your hypothesis, if not, your hypothesis was wrong. It is not bad if your hypothesis was wrong, because you still discovered something! A few other terms you may need to know:Independent VariableThis is the part of your experiment that you will test (vary) to answer your hypothesis. In the example above, the independent variable would be the different colors of the light bulbs.Dependent VariableThis is what occurs in response to the changing independent variable. In our example the Dependent Variable is how much the grass seeds grow.Control Variable Controlled variables are quantities that a scientist wants to remain constant, and she must observe them as carefully as the dependent variables. ControlThe control should be the part of the experiment where you do not include the Independent Variable. In our example, grass seed that is growing under the white (uncolored) bulb would be your control. The control lets you compare your results in the experiment. Video Clips 15th EditionJohn David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine15th EditionJohn David Jackson, Patricia Meglich, Robert Mathis, Sean Valentine1st EditionKenneth R. Miller, Levine15th EditionDavid Shier, Jackie Butler, Ricki LewisWorksheet Bundle: General Science Set #1 – The Nature of ScienceMy best selling worksheets are now bundled so you can save! They are perfect for reinforcing content that is taught in class. All worksheets include a complete answer key and were designed to appeal to students. Give as classwork, assign as homework, or leave for a sub!This set is perfect for the$2.00Price $2.00$2.50Original Price $2.50Save $0.50 This Exploring the Scientific Method worksheet was designed for middle school students learning about the scientific method. Key concepts include scientific inquiry, hypothesis, control group, experimental group, independent variable, dependent variable, scientific theory, and scientific law. This double-sided worksheet features a detailed summary at the top which students can refer back to while theyre working if they need help. There are 6 modified true or false questions, 8 questions where students have to match key terminology to a definition, and 3 scenarios where students have to identify the independent or manipulated variable, the dependent or responding variable, the experimental group, and the control group. This worksheet is perfect for the beginning of the year. Give as classwork, assign as homework, or leave for a sub! All of my worksheets include: - Name, date, and section at the top.- Margins that have been appropriately adjusted on the front and back pages to accommodate for hole punching and easy placement in a 3-ring binder.- Fun and age-appropriate graphics and fonts for middle school students!- A complete answer key! If you like this product, you might also like my: Introduction to Technology Worksheet Introducing the Engineering Design Process WorksheetFREE Safety in the Science Classroom WorksheetActing Like a Scientist WorksheetIntroduction to Density WorksheetExploring Density Worksheet Introduction to Balancing Chemical Equations Worksheet Introduction to Significant Figures WorksheetIntroduction to Physical and Chemical Changes WorksheetMatter Changing States Worksheet ©2015 Adventures in Science * Permission to use for personal use only.* Please do not share this file with others.* Additional licenses may be bought for half price for interested colleagues. Graphics and fonts by:Cara CarrollInk n Little ThingsMelonheadz Ron Leishman Digital Toonage Surfin Through Second
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