Independent/Dependent Variables

Front

What is an independent variable?

Back

The independent variable is the one thing that is changed on purpose in an experiment to test its effect.

Tags

NGSS.MS-PS2-2

Front

What is a dependent variable?

Back

The dependent variable is the outcome or response that is measured in an experiment, which changes in response to the independent variable.

Tags

NGSS.MS-PS2-2

Front

In Jamal's basketball experiment, what is the independent variable?

Back

How close Jamal gets to the hoop.

Front

In Jamal's basketball experiment, what is the dependent variable?

Back

How many points he scores.

Front

What is the independent variable in the question: 'Will a person fall asleep faster if they listen to music?'

Back

Music.

Front

What is the dependent variable in the question: 'Will a person fall asleep faster if they listen to music?'

Back

Time to fall asleep.

Front

In the hypothesis 'If salt is added to water then the boiling point of water will decrease,' what is the independent variable?

Back

Whether salt is added or not.

Front

In the hypothesis 'If salt is added to water then the boiling point of water will decrease,' what is the dependent variable?

Back

Boiling point of water.

Front

What is a control variable?

Back

A control variable is a factor that is kept constant throughout an experiment to ensure that the results are due to the independent variable.

Front

Why is it important to identify independent and dependent variables in an experiment?

Back

Identifying these variables helps to clarify the relationship being tested and ensures that the experiment is structured correctly.

Tags

NGSS.MS-PS2-2