Scientific Variables and Experiments

the variable that is changed by the scientist at the beginning of the experiment

• independent variable

• dependent variable

• control variable

Tags

NGSS.MS-PS2-2

the variable that is observed at the end of the experiment

• independent variable

• dependent variable

• control variable

Tags

NGSS.MS-PS1-2

Will a person fall asleep faster if they listen to music?
What is the independent variable?

• music

• time to fall asleep

• person

Will a person fall asleep faster if they listen to music?
What is the dependent variable?

• music

• time to fall asleep

• person

Does the type of sneaker you wear affect how fast you can run?
What is the independent variable?

• type of sneaker

• how fast you run

• person

Tags

NGSS.MS-PS2-2

Does the type of sneaker you wear affect how fast you can run?
What is the dependent variable?

• type of sneaker

• how fast you run

• person

Does the type of sneaker you wear affect how fast you can run?
What is the control variable?

• type of sneaker

• how fast you run

• person

What is the dependent variable?

• what we are changing or testing

• what we are observing or measuring

• what we are keeping the same to make the experiment fair

What is the control?

• what we are changing or testing

• what we are observing or measuring

• what we keep the same to make the experiment fair

Tags

NGSS.MS-PS2-2

A student is planning an experiment to find out how the height from which he drops a ball affects how high the ball bounces. What is the control variable?

• The ball used

• The height the ball bounces

• Height of the ball being dropped

Tags

NGSS.MS-PS2-2