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Scientific Method
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The Scientific Method is a method of problem solving involving observation to test a hypothesis.
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Step 1 Purpose/Question Your first step is to determine a problem or question so that you know what you want to test.
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Research After deciding on your question, you should complete some research to discover what background information is needed to perform the experiment.
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Step 2 Hypothesis Based on your research make an educated guess that answers your question.
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Step 3 Procedure/Experiment Make a list of directions for testing your idea or hypothesis through a controlled investigation. These should be detailed so that another person can follow your directions and perform the same experiment.
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Control You will need a control which is a standard against which other conditions can be compared in an experiment.
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Variable You will also need a variable which is the factor being tested.
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Step 4 Materials Make a list of all materials used to conduct your experiment.
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Observation While completing your experiment you will record findings.
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Step 5 Results/Data As you perform your experiment, collect data. Using this data make a judgment or opinion inferred from relevant facts; a final summary.
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Step 6 Conclusion After completing your experiment you will make a judgment or opinion inferred from relevant facts. Write this as a final summary.
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Brain Pop http://www.brainpop.com/science/scientifici nquiry/scientificmethod/ http://www.brainpop.com/science/scientifici nquiry/scientificmethod/
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Question 1 - Use your flashcards to answer these questions. Find these words: Conclusion Hypothesis Purpose/Question Results/Data Procedure/Experiment Order them in the correct sequence.
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Question 2 - Use your flashcards to answer these questions. During which stage of the scientific process are all experimental observations gathered?
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Question 3 - Use your flashcards to answer these questions. During which stage of the scientific method does a scientist make a prediction for the outcome of his/her experiment?
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Question 4 - Use your flashcards to answer these questions. During which stage of the scientific process does a scientist formally report the information they have gained from their experiment?
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Question 5 - Use your flashcards to answer these questions. Which part of an experiment is kept in normal circumstances, so that the scientist has something to compare to their test subjects?
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Question 6 - Use your flashcards to answer these questions. An educated guess that has not been proven, but is based on knowledge is called what?
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Question 7 If you were experimenting to determine if acid rain affects the growth of pepper plants, what would you need as a variable?
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Question 8 If you were experimenting to determine if acid rain affects the growth of strawberry plants, what would you need as a control?
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Question 9 Which of the following is a testable hypothesis? 1. Spaghetti is delicious. 2. Vacationing in the mountains is better than vacationing at the beach. 3. Plants need sunlight to be healthy. 4. School is terrific.
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Question 10 Which of the following is not a testable science question? 1. What is the best place to plant rosebushes? 2. How much light does a cactus need to bloom? 3. How hard is the shell of a dinosaur egg? 4. Does leg length correlate with the distance a frog can jump?
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Question 11 Which event occurs first in the scientific method? 1. Form a hypothesis. 2. Make an observation. 3. Write a conclusion 4. Prove your experiment.
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Question 12 How many independent variables can you have during an experiment?
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