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Learn: Turning Questions into Testable Hypotheses
AQA GCSE Biology 8461 specification
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Welcome!Today we'll learn how to turn research questions into testable hypotheses. This skill is essential for scientific investigations and experiments. Let's dive in!
What is a Hypothesis?A hypothesis is a testable statement that predicts the outcome of an investigation. It is based on observations and prior knowledge, and it should be specific and measurable.
Why are Hypotheses Important?A hypothesis guides your experiment and helps you focus on a specific question. It ensures your investigation is structured and results are meaningful.
Which of the following best describes a hypothesis?
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How to Formulate a HypothesisTo create a hypothesis, identify the question you want to answer, make observations, and think about potential outcomes. Use the format: 'If [independent variable], then [dependent variable] will [expected change].'
A hypothesis should be {{blank0}} and {{blank1}}.
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Independent and Dependent VariablesThe independent variable is the factor you change in an experiment. The dependent variable is what you measure to see the effect of the change.
What is the independent variable in an experiment?
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Examples of HypothesesHere are some sample hypotheses:If plants are given more sunlight, then they will grow taller.If the temperature is increased, then the rate of photosynthesis will increase.
Match the items on the left with their correct pairs on the right
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Review Time!Great work! You've learned about hypotheses, variables, and how to structure your predictions. Now let's test your understanding!
Which of the following are characteristics of a good hypothesis? (Select all that apply)
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A hypothesis predicts the effect of an {{blank0}} variable on a {{blank1}} variable.
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Which of the following is an example of a hypothesis?
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Match the items on the left with their correct pairs on the right
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