A scientist testing the affects of a chemical on apple yeild sprays an orchard with the chemical. A second orchard does not receive the chemical. In the fall, the number of apples harvested from each forest is counted. Which of the following is the independent (manipulated) variable in the experiment?

the chemical
the number of apples
the first orchard
the second orchard

Question

A scientist testing the affects of a chemical on apple yeild sprays an orchard with the chemical. A second orchard does not receive the chemical. In the fall, the number of apples harvested from each forest is counted. Which of the following is the independent (manipulated) variable in the experiment?
 	
	the chemical
	the number of apples
	the first orchard
	the second orchard

risingtotop · Answer

I think its C

perl · Answer

The independent variable is what you can change directly in an experiment.

risingtotop · Answer

B you can chnage the apples

perl · Answer

No, you can't. That depends on nature.

perl · Answer

You can change whether or not you spray the chemical.

risingtotop · Answer

So A

perl · Answer

yes :)

risingtotop · Answer

Thanks now im going to sit here wondering how lol

risingtotop · Answer

I have another one.... and im know what the answer is mind checking me?