identify the controls and variables exercise - simpson worksheet?

Daniel M

New member
i have a problem doing one of the questions for science . please help me! :
Homer notices that his shower is covered in a strange green slime. his friend barney tells him that coconut juice will get rid of the green slime. homer decides to check this out by spraying half of the shower room with coconut juice. he strays the other half of the shower with water. after 3 days of "treatment" there is no change in the appearance of the green slime on either side of the shower.

what is the initial observation?
identify the-
control group
independant variable
dependant variable
what should homer's conclusion be?
 
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