Identifying Variables

Front

What is an independent variable?

Back

An independent variable is the factor that is changed or controlled in an experiment to test its effects on the dependent variable.

Front

What is a dependent variable?

Back

A dependent variable is the factor that is measured or observed in an experiment, which is affected by the independent variable.

Tags

NGSS.MS-PS3-4

Front

What is a controlled variable?

Back

A controlled variable is a factor that remains constant throughout an experiment to ensure that the results are valid.

Front

In an experiment, why is it important to have controlled variables?

Back

Controlled variables are important because they help to isolate the effects of the independent variable on the dependent variable, ensuring accurate results.

Tags

NGSS.MS-PS2-2

Front

What does it mean if a variable is 'constant'?

Back

A constant variable does not change during the experiment; it remains the same to provide a fair test.

Tags

NGSS.MS-PS2-2

Front

True or False: The dependent variable is what you change in an experiment.

Back

False. The dependent variable is what you measure, while the independent variable is what you change.

Front

True or False: All variables in an experiment must be changed.

Back

False. Only the independent variable is changed; controlled variables remain constant.

Tags

NGSS.MS-PS1-2

Front

What is the relationship between independent and dependent variables?

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The independent variable is manipulated to observe how it affects the dependent variable.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

Front

Give an example of an independent variable in a study about plant growth.

Back

The amount of sunlight the plants receive.

Tags

NGSS.MS-LS1-5

Front

Give an example of a dependent variable in a study about plant growth.

Back

The height of the plants after a certain period.

Tags

NGSS.MS-LS1-5