Experimental Variables

What is the DEPENDENT variable (effect) is this experiment?
"Does eating breakfast improve test score?" 

• eating breakfast or not
• the grade you got on the test
• what time you get up in the morning
• how tasty the breakfast is

What is the DEPENDENT variable (effect) in this experiment?
"Do tall people jump further than short people?"

• height of the person
• weight of the person
• how fast the person runs
• how far the person jumps

What would the INDEPENDENT variable be in an experiment testing which type 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

The variable that is being changed

• independent variable
• dependent variable
• control variable

The variable that is being measured

• independent variable
• dependent variable
• control variable

Tags

NGSS.MS-PS2-2

Scientific Question:  Will a person fall asleep faster if they listen to music?
What is the dependent variable?

• music
• time to fall asleep
• person

Scientific Question:  Does the type of sneaker you wear affect how fast you can run?
What is the independent variable?

• type of sneaker
• how fast you run
• person

Tags

NGSS.MS-PS2-2

Scientific Question:  Does the type of sneaker you wear affect how fast you can run?
What is the dependent variable?

• type of sneaker
• how fast you run
• person

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

Scientific Question:  Does the type of sneaker you wear affect how fast you can run?
What is the control variable?

• type of sneaker
• how fast you run
• person

Tags

NGSS.MS-PS2-2

What is the control?

• what we are changing

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