Dependent, Independent, & Control Variables

Sarah is participating in a walkathon to raise money for local literacy programs. Sarah will raise more money the farther she walks.

Which of the variables is dependent?

• the amount of money Sarah will raise

• the distance Sarah walks

A student is going to conduct an experiment where he will drop a kickball from heights of 2 meters, 4 meters, and 6 meters. The height of each dropped kickball on its first bounce will be recorded.

The independent variable is the _____.

• diameter of the ball

• force acting on the ball

• height that the ball bounces

• height from which the ball is dropped

Tags

NGSS.MS-PS3-2

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

What would the dependent variable be in an experiment testing which paper airplane design goes furthest?

• the paper used

• the paper airplane design

• the distance of each plane's flight

• how hard the plane is thrown

Tags

NGSS.MS-PS2-2

NGSS.MS-ETS1-3

In my experiment I am changing the amount of light that I am giving plants to see if more light helps a plant grow better.  The amount of light the plant gets would be the....

• Dependent Variable
• End variable
• Control Variable
• Independent Variable

Tags

NGSS.MS-LS1-5

Mrs. Register sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp.

Identify the control variable.

• distance traveled by the ball

• height of the ramp

• mass of the ball

• weight of the ball

Tags

NGSS.MS-PS2-2

Which variable is not a control in this experiment?

"Is Bounty paper towels more absorbent than Sparkle paper towels?

• the size of paper towel

• the amount of water for the paper towel to absorb

• amount of water the paper towel absorbed

• the shape of paper towel

Tags

NGSS.MS-ETS1-3

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

Tags

NGSS.MS-PS2-2

What would the dependent 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

Tags

NGSS.MS-PS2-2

Eric was investigating how fast it took Hayden to react to different sounds.

Identify the independent variable.

• How fast Hayden reacted

• different sounds

• types of music

• Hayden