Scientific Method - The process scientists use to investigate/solve problems and questions, Hypothesis - A prediction or educated guess of what you think will happen in the experiment. , Independent variable - The ONE thing that changes in the experiment. The IF part of the hypothesis., Dependent variable - The thing that is measured in an experiment. The THEN part of the experiment., Control variables - All of the things that stay the SAME in the experiment., Quantitative - Things that can be measured with a number., Qualitative - Things that can NOT be measured with a number (think words/adjectives). , Three - The number of trials an experiment should have to ensure accuracy., Organisms - Living things, such as plants, animals, and bacteria., Scale - The relative size of things, Microorganisms - An organism that is too small to be seen with the naked eye, Microscopic - Too small to be seen with the naked eye, Cells - The tiny structures that make up all living things and are the smallest units able to perform life functions, Microbiome - All of the microorganisms that live in a particular environment, such as a human body,

Scientific Investigation & Microbiome Chapter 1

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