The scientific principles of rain attempt to answer why the phenomenon occurs. Airplanes and rockets can be shot in the air to produce dry ice, salt, powder, and silver iodine in the clouds.
The scientific principle is friction.... and heat and ultimately the FIRE
Bernoullis principle
Since it is called "the Heisenberg Uncertainty Principle" it is neither a scientific law nor a theory. It is a principle.
yes
To be true a scientific principle must be theoretically explained and experimentally (and statistically) checked to be correct and repeatable.
principle of maximax of decision making
To be true a scientific principle must be theoretically explained and experimentally (and statistically) checked to be correct and repeatable.
Gravity.
The scientific term for rainfall is "precipitation." It refers to any form of water, such as rain, snow, sleet, or hail, that falls to the ground from the atmosphere.
None, by definition a superstition has no scientific principle.
Principle
Precipation