Independent and Dependent Variables

Front

What is an independent variable?

Back

The variable that is changed or controlled in an experiment to test its effects on the dependent variable.

Front

What is a dependent variable?

Back

The variable that is measured in an experiment; it is the outcome that is affected by the independent variable.

Front

What is a constant in an experiment?

Back

Factors that stay the same throughout the experiment to ensure a fair test.

Front

What is the purpose of a controlled variable?

Back

To eliminate the influence of other variables, ensuring that the results are due to the independent variable.

Front

In Ben's helicopter experiment, what is the independent variable?

Back

Wing Length.

Front

In Ben's helicopter experiment, what is the dependent variable?

Back

Amount of time it takes the helicopter to hit the floor.

Front

What is the significance of conducting multiple trials in an experiment?

Back

To ensure reliability and accuracy of the results.

Front

How does changing the independent variable affect the dependent variable?

Back

It helps to determine the relationship between the two variables.

Front

What is an example of a controlled variable in Cindy's plant experiment?

Back

Using the same type of plant and watering them the same amount.

Front

What is the relationship between independent and dependent variables?

Back

The independent variable is manipulated to observe its effect on the dependent variable.