independent vs 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 depends on the independent variable. It is what you measure in the experiment.

Front

In a graph, which axis represents the independent variable?

Back

The x-axis represents the independent variable.

Front

In a graph, which axis represents the dependent variable?

Back

The y-axis represents the dependent variable.

Front

What is the relationship between independent and dependent variables?

Back

The independent variable is manipulated to observe how it affects the dependent variable.

Front

Give an example of an independent variable in an experiment.

Back

The amount of sunlight a plant receives is an independent variable.

Front

Give an example of a dependent variable in an experiment.

Back

The growth of the plant is a dependent variable.

Front

What does it mean if a variable is 'controlled'?

Back

A controlled variable is kept constant to ensure that the results are due to the independent variable.

Front

What is the purpose of a hypothesis in an experiment?

Back

A hypothesis is a testable prediction about the relationship between the independent and dependent variables.

Front

How can you identify the dependent variable in a table of data?

Back

The dependent variable is usually the outcome or result that changes in response to the independent variable.