Oswald Avery proved that DNA and not proteins were the source of genetic material.
An experiment can prove or disprove a hypothesis.
Prove causation
That depends on the result of the experiment. The experiment is a way to test a hypothesis, and it's completely fine if the experiment disproves the hypothesis. Ideally, though, the experiment will support the hypothesis.
to prove it worked.
Galileo
An experiment can prove they are wrong or right ...:)
By experiment.
This was an experiment to prove universal gravitation!
An experiment can show: Cause and effect (Apex).
droopy
Genevieve Hannelius.
Droppy