(Question)
Given the fact that:  The more an elastic object is stretched or compressed, the greater its elastic potential energy is.  Answer the question:   When we crumple a rubber band it has high potential energy or low potential energy?
(Answer)
high potential energy


(Question)
Given the fact that:  Higher frequency waves have greater energy.  Answer the question:   Wendy decreases the frequency of her radio's sound waves. These waves now have more or less energy?
(Answer)
less


(Question)
Given the fact that:  The more acidic a solution is, the closer its pH value will be to 0  Answer the question:   Erin is trying to get her solution to have a pH as close to zero as possible. The best way for Erin to do that is to have the acidity of the solution decrease or increase?
(Answer)
increase