They test it against reality - Also referred to as attempting to falsify (prove untrue) a theory (or hypothesis).
the scientist who came up with these theories are unknown
A Variable.
by making theories
New experimenatal data can lead to a better understanding of theories or can even disaprove them
He mostly created theories
explain large bodies of data
The scientist that made highly accurate measurements that first disapproved the theories of Ptolmy and Copernicus was called Brahe.
Curiosity is a part of a scientist's life because only a curious scientist will thrive to answer certain theories
1. Experiment 2.hypothesis 3. Checking hypothesis
Fist the scientist figures out the aim of their experiment. Then they make a prediction. And then they make a theory before actually doing their experiment. After the experiment they make a conclusion and then evaluate their experiment (what went wrong, how things could be better...). Hope this helped! :)
Galileo Galilei
Charles Darwin