Independent and Dependent Variables Science

Front

What is an independent variable?

Back

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

Front

How does increasing the slope of a ramp affect the distance a marble travels?

Back

Increasing the slope of a ramp is the independent variable that affects the distance the marble travels, which is the dependent variable.

Front

In an experiment, how many independent variables should be tested at a time?

Back

Only one independent variable should be tested at a time to ensure accurate results.

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

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

Back

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

Front

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

Back

The height of the plants is a dependent variable.

Front

What is the purpose of controlling variables in an experiment?

Back

Controlling variables ensures that the experiment is fair and that the results are due to the independent variable.

Front

In the question 'Does the type of gasoline affect how fast a car can drive?', what is the independent variable?

Back

The type of gasoline is the independent variable.

Front

In the question 'How does watching TV during studying affect a student’s test grades?', what is the dependent variable?

Back

The student’s test grades are the dependent variable.