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  1. The scientific method (article) | Khan Academy

    The scientific method is used in all sciences—including chemistry, physics, geology, and psychology. The scientists in these fields ask different questions and perform different tests. …

  2. The scientific method (article) | Khan Academy

    In this article, we'll discuss the steps of the scientific method and how they are used, from forming hypotheses to conducting controlled experiments. Let's embark on this journey to uncover the …

  3. Biology and the scientific method review - Khan Academy

    In most cases, the scientific method is an iterative process. In other words, it's a cycle rather than a straight line. The result of one experiment often becomes feedback that raises questions for …

  4. The scientific method (article) | Khan Academy

    The scientific method is used in all sciences—including chemistry, physics, geology, and psychology. The scientists in these fields ask different questions and perform different tests. …

  5. The scientific method (video) | Khan Academy

    The scientific method is a logical approach to understanding the world. It starts with an observation, followed by a question. A testable explanation or hypothesis is then created. An …

  6. Controlled experiments (article) | Khan Academy

    For example, you might want to see how water and light levels jointly affect bean seed sprouting. A well-designed experiment with two independent variables can tell you whether the variables …

  7. The scientific method and experimental design - Khan Academy

    B A hypothesis is the correct answer to a scientific question. C A hypothesis is a possible, testable explanation for a scientific question. D A hypothesis is the process of making careful …

  8. Scientific method and data analysis (practice) | Khan Academy

    Test your knowledge on the scientific method and experimental design!

  9. Biology foundations | High school biology (DEPRECATED ... - Khan …

    Welcome to the amazing world of biology! Begin your journey with this unit, where you'll explore the properties of life, the scientific method, biological macromolecules, and biochemistry basics.

  10. Data to justify experimental claims examples - Khan Academy

    Analyzing data is key to supporting or rejecting claims in experiments, which is covered by two example questions featuring biology experiments. One question tests if warming up boosts the …