Differentiating Dependent and Independent Variables

What is a dependent variable in a scientific experiment?

• The variable that is irrelevant to the experiment

• The variable that remains constant

• The variable that is observed and measured

• The variable that is manipulated

Which variable is manipulated in an experiment?

• Dependent variable

• Control variable

• Extraneous variable

• Independent variable

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

Where is the dependent variable typically placed on a graph?

• On the x-axis

• On the y-axis

• In the legend

• In the title

Tags

NGSS.MS-PS3-1

In the example of the doctor and the patients, what is the independent variable?

• Type of medication

• Recovery time

• Patient's age

• Sheet color

In the example of the college professor, what is the dependent variable?

• Class duration

• Student's performance

• Number of students

• Room temperature

What is the dependent variable in the example of the biology student?

• Route to campus

• Time taken to reach campus

• Weather conditions

• Type of transportation

Tags

NGSS.MS-ETS1-1

In the example of the athletes, what is the independent variable?

• Game performance

• Type of sport

• Sleep time

• Diet

Why is game performance considered an abstract variable?

• It does not change

• It is easy to measure

• It is not relevant to the experiment

• It has multiple dimensions that need to be defined

What should researchers do when dealing with abstract variables?

• Be very specific about what they are measuring

• Avoid using them

• Use them without any modifications

• Ignore them

What is the main focus of the video tutorial?

• Statistical analysis

• Graphing techniques

• Variables in scientific experiments

• Types of scientific experiments

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-4