Lesson on Variables

the ONE variable that is changed or manipulated

• control

• independent

• dependent

• super variable

dependent variable

• the one variable that is changed/manipulated

• the group that is kept the SAME

• what is being measured/observed, the DATA

Controlled Variable

• the ONE thing that is changed

• the DATA, what is being measured or observed

• the "normal" group, regular situation

In a study to determine how the TEMPERATURE OF THE ROOM impacts a PLANT'S GROWTH, the INDEPENDENT variable is...

• amount of growth

• type of plant

• the temperature of the room

• amount of light

In a study to determine how the TEMPERATURE OF THE ROOM impacts a PLANT'S GROWTH, the DEPENDENT variable is...

• amount of growth

• type of plant

• the temperature of the room

• amount of light

A study was done to determine to figure out if HOW LONG YOU SLEEP affects your TEST SCORE. The INDEPENDENT variable is...

• test scores

• place you sleep

• hours of sleep

A study was done to determine to figure out if HOW LONG YOU SLEEP affects your TEST SCORE. The DEPENDENT variable is...

• test scores

• place you sleep

• hours of sleep

How much water flows through a faucet at different openings? DEPENDENT variable is...

• Amount of water flowing,

• Water faucet opening (closed, half open, fully open)

• Water pressure, or how much the water is "pushing"

What is being measured/observed?

• independent variable

• dependent variable

• controlled variable

You want to compare BRANDS OF PAPER TOWELS, to see which HOLDS THE MOST liquid. What is the DEPENDENT variable?

• BRAND of paper towels

• TYPE of liquid

• AMOUNT the towel holds