what is a changed variable?

2 answers

variables are the part of the experment that change, and constants remain the same
Take the word apart. "Able" means it is capable of something. What is it capable of? It can "vari" (vary) — although it does not always do so. When it does, it can be called a "changed variable."

I hope this helps a little more. Thanks for asking.

I hope this helps a little more. Thanks for asking.