Independent and Dependent Variables

Front

What is an independent variable?

Back

An independent variable is a 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 a variable that is measured in an experiment and is affected by changes in the independent variable.

Front

In the equation m = 12h, what does 'm' represent?

Back

'm' represents the total money earned by the worker.

Front

In the equation m = 12h, what does 'h' represent?

Back

'h' represents the number of hours worked.

Front

If the distance Sarah walks increases, what happens to the amount of money she raises?

Back

The amount of money she raises (dependent variable) increases as the distance she walks (independent variable) increases.

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

Identify the dependent variable in the statement: 'The height of a plant depends on the amount of sunlight it receives.'

Back

The height of the plant is the dependent variable.

Front

Identify the independent variable in the statement: 'The height of a plant depends on the amount of sunlight it receives.'

Back

The amount of sunlight is the independent variable.

Front

What is the purpose of identifying independent and dependent variables in an experiment?

Back

Identifying these variables helps to understand the cause-and-effect relationship in the experiment.

Front

In a study measuring how different fertilizers affect plant growth, what is the independent variable?

Back

The type of fertilizer used is the independent variable.