Experimental Variables Practice

The variable that is being measured

• independent variable

• dependent variable

• controlled variable (constants)

the variable that is kept the same to make sure results are caused by the thing being tested

• independent variable

• dependent variable

• controlled variable (constants)

What is the independent variable?

• what we are changing or testing
• what we are observing or measuring
• what we keep the same to make the experiment fair

Tags

NGSS.MS-PS2-2

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. What is the dependent variable?

• The height that the ball bounces

• Height from which the ball is dropped

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. What is the control variable?

• The ball used

• The height the ball bounces

• Height of the ball being dropped

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

• Distance traveled by the ball

• Mass of the ball

Tags

NGSS.MS-PS2-2

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

• Distance traveled by the ball

• Height of the ramp

• Mass of the ball

Mr. 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

What is the Independent Variable (IV) in the following testable question: Does the temperature of a tennis ball affect the height of its bounce?

• the temperature of tennis ball
• height of the bounce

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is the Dependent Variable (DV) in the following testable question? Does a metal baseball bat vibrate more than a wooden baseball bat?

• the type of baseball bat
• the amount of vibration

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2