Nature of Science

Front

What is the control group in an experiment?

Back

The control group is the group in an experiment that does not receive the treatment or intervention and is used as a benchmark to measure how the other tested subjects do.

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What is quantitative data?

Back

Quantitative data is information that can be measured and expressed numerically, such as weight, height, or temperature.

Front

What can be concluded from a bar graph showing bacteria population under different temperatures?

Back

You can determine the temperature range in which the bacteria thrive or prefer based on the height of the bars representing different temperatures.

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What is a dependent variable?

Back

The dependent variable is the variable that is measured in an experiment and is affected by changes in the independent variable.

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What are the goals of science?

Back

The goals of science are to provide natural explanations for events in the natural world and to understand how the universe works.

Front

What is the independent variable in an experiment?

Back

The independent variable is the variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

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What is a hypothesis?

Back

A hypothesis is a testable prediction about the relationship between two or more variables.

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What is the scientific method?

Back

The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

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What is an observation in science?

Back

An observation is the act of noting and recording something with instruments or the senses.

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What is a theory in science?

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A theory is a well-substantiated explanation of an aspect of the natural world that is based on a body of evidence.