Variables

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
• Compound

Research Question: Does the type of gasoline put in a car effect how fast the car can drive. What is the independent variable?

• Type of gasoline
• which car the gas is put into
• how fast the car can drive
• how much gas is put into the car

What would the INDEPENDENT variable be in an experiment testing which types of paper airplane goes furthest?

• the paper used
• the type of paper airplane
• the distance of each plane's flight
• how hard the plane is thrown

Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?

• Distance traveled by the ball
• Height of the ramp
• Mass of the ball
• Where the experiment took place.

Do different types of music make a difference in test scores?

Which are the control variables?

• The type of music

• The volume of the music

• How well the student does on a test

• The type of test

The outcome, measurement or observation is what type of variable?

• Independent

• Dependent

• Controlled

• Constant

Tags

NGSS.MS-PS3-4

The independent variable is the ONE thing you _____.

• change on purpose
• control or keep constant
• measure

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

Stacy measured the speed of 5 birds that lived around her house. What is the Independent variable?

• Type of Bird
• Speed of Bird
• weather outside

Stacy measured the speed of 5 birds that lived around her house. What is the dependent  variable?

• Type of Bird
• Speed of Bird
• weather outside

Tags

NGSS.MS-PS3-1

The variable in an investigation that you are measuring is the _________________?

• control variable

• independent variable

• dependent variable

• research variable