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Scientific Method What is Science? • Science is the process of observing, asking questions, and finding things out about the world around you. • The process is called the Scientific Method. Who is a Scientist? • A scientist is someone who observes and questions those things around them, makes predictions, and tests their predictions. Then, scientists would draw conclusions based on their results. • Which of the following are scientists? • Winnie the Pooh • Plumber • Doctor -Cook -Mechanic -Toddler learning to walk Steps • Problem: Ask a question you can answer by performing an experiment. – Example: Which snack will not melt in my backpack by lunch time? – Example: Which soap will kill the most bacteria? – Non-Example: Which birds are pretty? Hypothesis • “Educated Guess” • This needs to be statement that is your prediction of what will happen. • Remember it is an educated guess, so give a reason why you feel that your hypothesis is true. • For Example: I predict that the chocolate snack will melt in my backpack before the lollipop. I have found from my past experiences that …..Therefore,…. Experiment • Materials: Include metric units. • Procedure: Tests the hypothesis. • Should be written in steps not paragraph form. 1. 2. • Make sure it is accurate by repeating or using large experimental groups. • Needs to have a control, independent variable and a dependent variable. Experimental Group • The group, items or things in the experiment that all of the testing is done on or to. This group will give you the answer to the problem and this group will prove your hypothesis to be correct or incorrect. Results • This can be data, graphs, tables, pictures, etc.. • There should not be a conclusion drawn here! Conclusion • Analyze your results here! Explain what it all means. Answer whether or not your hypothesis was supported. • Your conclusion should never be a yes or no answer. Your conclusion should be a few sentences.