Independent and Dependent 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.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

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 changes in the independent variable.

Tags

NGSS.MS-PS1-2

Front

In the experiment, what is the independent variable if we are testing how sunlight affects plant growth?

Back

Sunlight is the independent variable.

Tags

NGSS.MS-LS1-5

Front

In the experiment, what is the dependent variable if we are testing how sunlight affects plant growth?

Back

Plant growth is the dependent variable.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Front

How does increasing the amount of water given to a plant affect its growth? What is the independent variable?

Back

The independent variable is the amount of water given to the plant.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Front

How does increasing the amount of water given to a plant affect its growth? What is the dependent variable?

Back

The dependent variable is the growth of the plant.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Front

If a student studies more hours, how does it affect their test scores? What is the independent variable?

Back

The independent variable is the number of hours studied.

Front

If a student studies more hours, how does it affect their test scores? What is the dependent variable?

Back

The dependent variable is the test scores.

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

NGSS.MS-PS2-2

NGSS.MS-PS3-4

Front

In a study on how temperature affects the rate of a chemical reaction, what is the independent variable?

Back

The temperature is the independent variable.

Tags

NGSS.HS-PS1-5