Independent and Dependent Variables

Front

What is an independent variable in an experiment?

Back

The one factor that a scientist changes or tests during an experiment.

Front

What is a dependent variable in an experiment?

Back

The factor that is measured or observed in response to changes in the independent variable.

Front

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

Back

One.

Front

What is the relationship between independent and dependent variables?

Back

Changes in the independent variable cause changes in the dependent variable.

Front

What type of data is collected when measuring time, length, or temperature?

Back

Quantitative data.

Front

What is the purpose of controlling variables in an experiment?

Back

To ensure that the results are due to the independent variable and not other factors.

Front

How can you identify the independent variable in a given experiment?

Back

It is the variable that is deliberately changed or manipulated.

Front

How can you identify the dependent variable in a given experiment?

Back

It is the variable that is measured or observed as a response to the independent variable.

Front

What is an example of an independent variable in an experiment involving plant growth?

Back

The amount of sunlight the plants receive.

Front

What is an example of a dependent variable in an experiment involving plant growth?

Back

The height of the plants after a certain period.