Independent and Dependent Variables

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

• Type of fertilizer
• Size of sunflower
• type of sun flower

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

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

• Type of car
• Skill of driving
• Age of student

Sam wanted to know if the color of the chair you sat in when taking a test affected your test grade. What is the dependent variable.

• Color or chair
• Grade on test
• Age of students

Dilcia wants to know how drinking milk affects how tall a Monica grows. Which is the independent variable?

• Monica's growth
• drinking milk

Tags

NGSS.MS-LS1-5

Marcos wants to know: 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

NGSS.MS-PS3-1

A variable that you change or manipulate to affect the results in an investigation is the __________________?

• control variable

• dependent variable

• independent variable

• research variable

Tags

NGSS.MS-PS2-2

What step does every scientific experiment begin with?

• hypothesis
• question/problem
• procedures
• conclusion

The person in the picture is a man

• Observation

• Inference

The person hit his head doing a chin up.

• Observation

• Inference

There is a web on the slide.

• Observation
• Inference