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 test this out by spraying half of the shower with coconut juice. He sprays 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. 6. What was the initial observation?

Identify the -

7. Control Group
water
8. Manipulated (Independent) Variable

9. Responding (Dependent) Variable

10. What should Homer's conclusion be?