Bio Chap 1

    Master this deck with 15 terms through effective study methods.

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    Created by @yure

    What are the steps of the scientific method?

    A systematic approach to solving problems through observation and experimentation.

    What is a hypothesis?

    An educated guess predicting the relationship between variables.

    What is the independent variable?

    The factor that is intentionally changed in an experiment.

    What is the dependent variable?

    The factor that is measured and may change due to the independent variable.

    What is a control group?

    The standard of comparison that is not exposed to the experimental treatment.

    What are controlled variables?

    Factors kept constant to ensure a fair test.

    How does sugar affect the rising of bread?

    Sugar concentration influences yeast activity and gas production.

    What happens if too much sugar is used?

    Water leaves yeast cells, reducing fermentation and dough rise.

    What is the purpose of analyzing results?

    To determine if the hypothesis is accepted or rejected.

    What should be included in a conclusion?

    A statement accepting or rejecting the hypothesis and future recommendations.

    What is the role of communication in the scientific method?

    To share findings through reports or presentations.

    What is a line graph used for?

    To show changes in quantity over time or another continuous variable.

    What distinguishes a bar graph from a histogram?

    Bar graphs compare discrete categories, while histograms represent continuous data.

    What is interpolation?

    Estimating values within the range of existing data points.

    What is extrapolation?

    Estimating values beyond the range of existing data points.