•Hypothesis: An
assertion or conjecture that must still be tested.
•Theory: A
system of rules and principles of wide applicability that
have been tested.
•Natural Law: A very
well tested theory
Make predictions based on hypothesis
Test
predictions
with new observations
Beginnings
of a new theory
Forming hypotheses is the creative part of the process
Making predictions and testing them is the key feature of the
“scientific method.”
The only useful theory is one which lets you make predictions, so you never really get out of the testing loop.