If i stretch a rubber band across the room you are transforming energy in to

Hello!

When you're stretching a rubber band, you are giving the band potential energy, because when you stretch it out, you are getting energy ready for when you're going to release it, like energy waiting to be released.

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The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .