Identifying Variables

Front

What is an independent variable?

Back

The 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

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

Front

What is a controlled variable?

Back

A controlled variable is a factor that is kept constant throughout an experiment to ensure that the results are valid.

Front

In the experiment 'Which type of metal, copper or aluminum, conducts heat faster?', what is the independent variable?

Back

The types of metal.

Front

In Bonnie's experiment with Bio-fertilizer, what is the controlled group?

Back

The plant without the Bio-fertilizer 'x'.

Front

In the ball drop experiment, what is the dependent variable?

Back

The height that the ball bounces.

Front

In the study of tire treads affecting braking distance, what is the independent variable?

Back

The different tire treads.

Front

What is the purpose of a controlled group in an experiment?

Back

The controlled group serves as a baseline to compare the effects of the independent variable.

Front

Why is it important to identify variables in an experiment?

Back

Identifying variables helps to clarify the relationships between different factors and ensures that the experiment is valid and reliable.

Front

What is an example of a controlled variable in the bean plant experiment?

Back

The bean seed.