Independent and Dependent Variables

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What is an independent variable?

Back

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

Tags

CCSS.HSS.CP.A.5

Front

What is a dependent variable?

Back

A dependent variable is the variable that is measured and affected in an experiment. It depends on the independent variable.

Front

In the experiment, if you change the amount of sunlight a plant receives, what is the independent variable?

Back

The amount of sunlight.

Front

In the experiment, if you change the amount of water a plant receives, what is the dependent variable?

Back

The growth of the plant.

Front

If you are testing how different temperatures affect the solubility of sugar in water, what is the independent variable?

Back

The temperature of the water.

Front

If you are testing how different temperatures affect the solubility of sugar in water, what is the dependent variable?

Back

The amount of sugar that dissolves.

Front

In the equation d = 3c, what does 'c' represent?

Back

The number of chores you do (independent variable).

Tags

CCSS.6.EE.C.9

Front

In the equation d = 3c, what does 'd' represent?

Back

The amount of dollars you earn (dependent variable).

Tags

CCSS.6.EE.C.9

Front

What is the relationship between independent and dependent variables?

Back

The independent variable is manipulated to observe its effect on the dependent variable.

Tags

CCSS.HSS.ID.C.9

Front

If you are studying how study time affects test scores, what is the independent variable?

Back

The amount of study time.

Tags

CCSS.HSS.ID.C.9