independent and dependent variables

Sarah is bringing treats to her elementary school class on her birthday. The number of treats she brings depends on the number of students in her class.

t = the number of treats

s = the number of students

Which of the variables is independent?

• s = the number of students

• t = the number of treats

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

You are testing which type of paper airplane goes furthest? What is the INDEPENDENT variable?

• 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 tested, counted, or measured and is responding to the independent variable is known as 

• Control
• Constant
• Independent Variable
• Dependent Variable

Which brand of paper towel will absorb the most liquid? What is the dependent variable?

• brand of paper towel
• amount of water absorbed

Tags

NGSS.MS-ETS1-3

What you measure or observe in an experiment.

• constant variable

• controlled variable

• dependent variable

• independent variable

Tags

NGSS.3-5-ETS1-3

The first step of the scientific method that involves thinking about what you want to know.

• experiment

• question

• hypothesis

• data

• gather information

A possible explanation to a problem that has not yet been tested. 

• data
• theory
• hypothesis
• fact

This variable in an experiment is the one being deliberately changed by the scientist. 

• dependent variable
• independent variable
• data
• control group

Observations made during an experiment are called:

• data
• problems
• conclusions
• questions

Tags

NGSS.MS-PS1-2