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Multiple choice questions for nature of science

Quiz by Jessica Anania

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13 questions
Show answers
  • Q1
    What is the purpose of a control group in an experiment?
    To analyze the results.
    To ensure random assignment of participants.
    To serve as a baseline for comparison.
    To manipulate the independent variable.
    30s
  • Q2
    What is the purpose of a hypothesis in the scientific method?
    To propose a testable explanation for an observation or phenomenon.
    To reject alternative explanations.
    To prove a theory beyond doubt.
    To collect data and analyze results.
    30s
  • Q3
    Why is it important for scientists to communicate their findings?
    To share knowledge and promote collaboration.
    To increase competition among scientists.
    To keep their research exclusive.
    To prevent others from replicating their experiments.
    30s
  • Q4
    Which of the following is NOT a characteristic of a scientific theory?
    Being subject to revision or refinement.
    Being a guess or speculation.
    Having explanatory power.
    Being supported by a large body of evidence.
    30s
  • Q5
    Which of the following is an example of a scientific hypothesis?
    The Earth is flat.
    Chocolate ice cream is the best flavor.
    Plants need sunlight to grow.
    If you increase the temperature of water then it will cause it to evaporate faster.
    Increasing the temperature of water will cause it to evaporate faster.
    30s
  • Q6
    What is a scientific law?
    A guess or speculation about the natural world
    An unproven idea or hypothesis
    A proven and absolute truth about the natural world
    A description of an observed phenomenon that holds true under specific conditions
    A description of an observed phenomenon that holds true under specific conditions
    30s
  • Q7
    What is a dependent variable?
    A variable that is being measured or observed in an experiment.
    A variable that remains constant throughout the experiment.
    A variable that is independent of any other factors.
    A variable that is manipulated by the researcher.
    30s
  • Q8
    In a biology experiment examining the effect of fertilizer on plant growth, what would be the dependent variable?
    Fertilizer
    Soil pH
    Temperature
    Plant growth
    30s
  • Q9
    What is an independent variable?
    The variable that is measured or observed in the experiment.
    The variable that is used to compare the experimental and control groups.
    The variable that remains constant throughout the experiment.
    The variable that is manipulated or changed by the researcher.
    30s
  • Q10
    In a study investigating the effects of temperature on plant growth, what would be the independent variable?
    The height of the plants.
    The amount of water given to the plants.
    The type of plant used.
    The temperature in the environment.
    30s
  • Q11
    What does precision refer to in science?
    The accuracy of the measurement.
    The closeness of the measured values to each other.
    The range of values obtained.
    The number of significant figures in the measurement.
    30s
  • Q12
    What is accuracy in science?
    The range of values within which a measurement is likely to fall.
    The ability to repeat an experiment multiple times.
    The process of collecting data in an experiment.
    The closeness of a measured value to a standard or known value.
    30s
  • Q13
    Which of the following is an example of a quantitative observation in science?
    The taste of a fruit
    The color of a flower
    The weight of an object
    The smell of a perfume
    30s

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