A hypothesis.
A testable explanation that is supported or refuted is called a hypothesis.
hypothesis ?
By experiment.
this is a theory
theory
theory
when you perform the experiment
A hypotheses becomes testable by actually doing the experiment and seeing what you find.
Scientific explanations are testable if confidence in the explanation could be undermined by a failure to observe the predicted outcome. One should be able to imagine outcomes that would disprove the explanation.
Its called a theory
a hypothasis
The answer is that a NONtestable experiment is when you can not test it. A testABLE experiment is when you can test it. It is like a able is when you are able to to it and when you non it is not able but the word nontestABLE is NOT able!! It is so funny WOW!! LOL!!?!!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!?!??!?!?!?!??!?!