Independent versus dependent variables

Front

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.

Front

What is a dependent variable?

Back

A dependent variable is the variable that is measured and affected in an experiment, responding to changes in the independent variable.

Front

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

Back

In this equation, 'c' represents the independent variable, which is the number of chores done.

Front

In a study about how sunlight affects plant growth, what is the independent variable?

Back

The independent variable is the amount of sunlight the plants receive.

Front

In a relationship between the number of hours studied and test scores, which is the independent variable?

Back

The independent variable is the number of hours studied.

Front

If you are testing how different fertilizers affect plant height, what is the independent variable?

Back

The independent variable is the type of fertilizer used.

Front

What is the relationship between independent and dependent variables?

Back

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

Front

In an experiment, if you change the temperature to see its effect on ice melting, what is the independent variable?

Back

The independent variable is the temperature.

Front

If you are measuring how different amounts of water affect the growth of a plant, what is the dependent variable?

Back

The dependent variable is the growth of the plant.

Front

In a graph, which axis typically represents the independent variable?

Back

The independent variable is usually represented on the x-axis.