Experimental Design and Variables

Identify the dependent variable (click on picture to enlarge)

• Group A

• Group B

• The special juice the workers are given to drink

• the stacks of papers the workers make

What is a factor that is measured for change in an experiment?

• control

• constant

• independent variable

• dependent variable

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-4

What is the factor that an experimenter changes on purpose?

• Dependent Variable

• Independent Variable

• Constant

• Control

What are all the things that are kept the same in an experiment?

• controls

• data

• constants

• independent variables

Tags

NGSS.MS-PS2-2

Students used various temperatures of water to see which one dissolved candy faster. 
What was the Independent Variable?

• Amount of Candy

• Amount of Water

• Temperature of Water

• Time for Candy to Dissolve

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Identify the control group (click on picture to enlarge)

• Group A- workers given the special juice

• Group B- workers not given the special juice

Tags

NGSS.MS-ETS1-2

What was the initial observation? (click on picture to enlarge)

• Homer notices that his shower is immaculately clean.

• Homer notices that his shower is filled with aliens.

• Home notices that his shower is covered in a strange green slime.

Tags

NGSS.MS-PS1-2

Identify the control group (click on picture to enlarge)

• The half of the shower cleaned with coconut juice

• The half of the shower cleaned with water

Tags

NGSS.MS-PS1-2

Identify the independent variable (click on picture to enlarge)

• Coconut Juice applied to one side.

• The water applied to one side.

• How clean the shower is.

Identify the dependent variable (click on picture to enlarge)

• Coconut juice

• Water

• How clean the shower is

Tags

NGSS.MS-PS1-2