Variables

The variable that is changed on purpose is..

• Constant
• Independent Variable

• Dependent Variable

The variable that is being counted or measured and is responding to the independent variable is known as 

• Dependent Variable

• Constant
• Independent Variable

The things that are kept the same to ensure the results are due to the experiment is called..

• Dependent Variable

• Constant

• Independent Variable

Mr. Pransky wants to see how different surfaces affect how high a tennis ball can bounce. What is the independent variable?

• how high they bounce

• using the same ball

• the different surfaces

Mr. E 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

Molly investigated if the age of students caused them to be better drivers. What is the independent variable?

• Type of car
• Age of student

• Skill of driving

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

• the type of paper used.

• the distance each plane flies.

• how hard the plane is thrown.

• the type of paper airplane.

Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the independent variable 

• the weather

• size of sunflower

• type of sun flower
• Type of fertilizer

An experiment is conducted to see which brand of paper towels absorbs the most liquid from a spill. What variable(s) would be constants?

• size of the paper towel

• size of the spill

• type of liquid

• all of the above

Robert wanted to know if the type of phone you used gave you better or worse service. What is the independent variable. 

• Location of phone call
• How good the service was

• Type of phone