Independent and Dependent Variables and Control Groups

Ms. S set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.

• Distance traveled by the ball
• Height of the ramp
• Mass of the ball
• Who set up the experiment (Ms. S, etc)

Tags

NGSS.MS-PS2-2

Tiffany was investing how fast it took Hayden to react to different sounds. Identify the independent variable.

• How fast Hayden reacted
• different sounds
• types of music
• Hayden

The independent variable is the ONE thing you _____.

• change
• keep the same
• experiment with
• investigate

Tags

NGSS.3-5-ETS1-3

 In a controlled experiment, the variable that is changed to test the hypothesis is called the –

• Controlled Variable
• Responsive Variable
• Dependent Variable
• Independent Variable

The measurable factor in an experiment is known as the: 

• Control
• Independent Variable
• Constant
• Dependent Variable

Tags

NGSS.3-5-ETS1-3

Alexandra is testing the quality of her Nikon camera against the camera on her iPhone.  The different cameras is the __ variable.

• constant (same)
• dependent (measured)
• independent (changes)

Tags

NGSS.MS-ETS1-3

Khaleel is testing how the use of stress balls during testing affects a student's test score.  The students' average test scores who used the stress balls is the __ variable.

• dependent (measured)
• constant (same)
• independent (changes)

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

Tags

NGSS.MS-PS2-2

This variable in an experiment is the one being changed by the scientist.

• dependent variable

• independent variable

• constants

• control group

Tags

NGSS.MS-PS2-2

A group under normal conditions that is used for comparison in an experiment

• dependent variable

• experimental groups

• constants

• control groups