Identifying Variables

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertalizers, equal light, and equal water. What type of variable is the water?

• Dependent
• Independent
• Control

When experimenting with the growth of a plant, a scientist uses three (of the same type of) plants, two different fertilizers, equal light, and equal water. What type of variable is the fertilizer?

• Dependent
• Independent
• Control

Which variable is the same for each test subject in an experiment?

• Dependent
• Independent
• Control

In an experiment to determine what type of acid is the MOST corrosive (destructive) which of these would NEED to be a controlled variable?

• The acids used
• The material the acid is poured on
• The size of the hole created by the acid

Tags

NGSS.MS-PS1-2

What would the INDEPENDENT variable be in an experiment testing the effectiveness differnt types of paper airplane?

• the paper used
• the type of folds made
• the distance of each plane's flight

Tags

NGSS.MS-PS2-2

Students were involved in an experiment to investigate whether playing music while they took a test affected their scores. What would their test scores be?

• Independent variable
• Dependent variable
• Controlled variable
• Hypothesis

This is the manipulated variable, or the variable you control.

• Independent
• Dependent

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

This is the responding variable, or the variable you don't control.

• Independent
• Dependent

Tags

NGSS.MS-LS2-1

This group in an experiment does not receive the variable from the experimenter.

• Independent variable
• Dependent variable
• Control group
• constant

7. The experiment with the variable left out is the ... 

• hypothesis
• experiment
• variable
• control

Tags

NGSS.MS-PS2-2