Variables

Front

What is a variable?

Back

A variable is any factor, trait, or condition that can exist in differing amounts or types in an experiment.

Front

What are independent and dependent variables?

Back

The independent variable is the one that is changed or controlled in a scientific experiment to test its effects on the dependent variable, which is the variable being tested and measured.

Front

What should you do with controlled variables in an experiment?

Back

Every other variable should be controlled and kept constant.

Front

What is the scientific method?

Back

A series of steps used by scientists to solve a problem or answer a question.

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What is quantitative data?

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

Front

What is qualitative data?

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Qualitative data is descriptive information that cannot be measured numerically, such as color, smell, or texture.

Front

In Joshua's plant experiment, what is the independent variable?

Back

The amount you water each plant.

Front

In Mr. Ward's tennis ball experiment, what is the independent variable?

Back

The different surfaces.

Front

What is a hypothesis?

Back

A hypothesis is a proposed explanation for a phenomenon, which can be tested through experimentation.

Front

What is the purpose of a control group in an experiment?

Back

The control group is used as a standard for comparison to see how the independent variable affects the dependent variable.