Independent vs Dependent Variable

Identify the dependent variable:
A study was done to find if different tire treads affect the braking distance of a car.

• The car

• The distance the car took to brake 

• The different tire treads

• The drive

Tags

NGSS.MS-PS2-2

Identify the independent variable:
The height of bean plants depends on the amount of water they receive. 

• The bean seed

• The amount of water provided daily

• The amount of sunlight they're exposed to daily

• How tall they grow by the end of the experiment

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

What is the INDEPENDENT variable? You are 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

How does watching TV during studying affect a student’s test grades? Student's grades are the....

• independent variable

• dependent variable

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

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

In an experiment to test the effect of temperature on the solubility of salt in water, what is the dependent variable?

• A) The amount of salt

• B) The temperature of the water

• C) The solubility of salt

• D) The type of salt used

Which of the following is an independent variable in an experiment to determine how light intensity affects the rate of photosynthesis in plants?

• A) The type of plant

• B) The rate of photosynthesis

• C) The light intensity

• D) The amount of water given

In a study to find out if the duration of exercise affects heart rate, what is the dependent variable?

• A) The type of exercise

• B) The duration of exercise

• C) The heart rate

• D) The age of participants

A researcher is testing the effect of different fertilizers on plant growth. What is the independent variable?

• A) The type of fertilizer

• B) The growth of the plant

• C) The amount of sunlight

• D) The type of plant