Dependent and Independent Variables

In a study to determine whether how long a student sleeps affects test scores, the independent variable is _________________________________.

• the test scores

• the amount of sleep

You want to know which brand of fertilizer is best for your plants. What is the independent variable?

• the fertilizer

• the health of your plants

Tags

NGSS.4-LS1-1

You want to compare brands of paper towels, to see which holds the most liquid. Which is the independent variable?

• the brand of paper towel

• the amount of water

You suspect the amount of television a person watches is related to their age. What is the independent variable?

• age

• the amount of tv time

You think rising sea temperatures might affect the amount of algae in the water.

What is the independent variable?

• the water temp

• the amount of algae

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

You want to know which brand of microwave popcorn pops the best.

What is the independent variable?

• brand of popcorn

• number of kernels popped

Tags

NGSS.3-5-ETS1-3

In a study to determine whether how long a student sleeps affects test scores, the dependent variable is ______________.

• the test score

• the amount of sleep

You want to know which brand of fertilizer is best for your plants.What is the dependent variable ________________.

• The health of the plants

• the type of fertilizer

Tags

NGSS.3-5-ETS1-3

You want to compare brands of paper towels, to see which holds the most liquid. Which is the dependent variable?

• the brand of paper towel

• the amount of water

You suspect the amount of television a person watches is related to their age. What is the dependent variable?

• age

• the amount of tv time