Identifying Independent/Dependent Variables

Asher is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. The dependent variable is the _____.

• Diameter of the ball

• Force acting on the ball

• Height that the ball bounces

• Height from which the ball is dropped

The graph shows the distance traveled by Ms. Luce's family on a road trip. They will travel 25 miles each hour. Which statement is true about the situation?

• the independent variable is distance

• the independent variable is d=25 t

• the dependent variable is time

• the dependent variable is distance

The dependent variable...

• is affected by the independent variable

• is in charge

• changes the independent variable

• isn't affected by the independent variable

Tags

NGSS.MS-PS1-2

What you measure or observe in an experiment.

• constant variable

• controlled variable

• dependent variable

• independent variable

Tags

NGSS.MS-PS1-2

Justin wants to determine the effect of fertilizer on the growth of grass. What is the independent variable?

• amount of fertilizer

• height of grass

• type of plant

• time

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Students of different ages were given the same puzzle to assemble. The puzzle assembly time was measured. What is the dependent variable?

• age of students

• time to complete the puzzle

• number of pieces in the puzzle

• same testing environment

What is another term for dependent variable?

• responding variable

• manipulated variable

• constant variable

• hypothesis

What is another term for the independent variable?

• responding variable

• manipulated variable

• constant variable

• control

Jonathan set up the same experiment to see how the mass of a ball affects the distance it rolls off a ramp. Identify the independent variable.

• Distance traveled by the ball

• Height of the ramp

• Mass of the ball

• Who set up the experiment (Jonathan etc)

What is the independent variable?

• temperature

• heart rate

• data table

• (beats/min)