Independent vs 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 context of a food collection drive, if the amount of food collected is the independent variable, what is the dependent variable?

Back

The number of trucks needed to deliver the food.

Front

If the number of gifts wrapped is the independent variable, what does it affect?

Back

The amount of wrapping paper needed.

Front

In a scenario where the weight of mushrooms affects their value, identify the independent and dependent variables.

Back

Independent variable: weight of mushrooms (w); Dependent variable: value of mushrooms (v).

Front

What does it mean if a variable is independent?

Back

It means that the variable can be manipulated or changed without being affected by other variables in the experiment.

Front

What does it mean if a variable is dependent?

Back

It means that the variable's value depends on the changes made to the independent variable.

Front

In a project where the length of road affects the hours needed to paint it, which is the independent variable?

Back

The length of the road (r) is the independent variable.

Front

If Kimi adds more photos to her scrapbook, what is the relationship between the number of photos and the thickness of the scrapbook?

Back

The number of photos (p) is the independent variable, and the thickness of the scrapbook (t) is the dependent variable.

Front

How can you identify the independent variable in an experiment?

Back

Look for the variable that is intentionally changed or controlled to observe its effect on another variable.