In science. something that stands the test of time, often without change; (2) experimentally confirmed; over and over and (3) universal

Scientific law is the law that stands the test of time, often without change. It is experimentally validated and confirmed again and again with time. It helps in creating right predictions for different situations.

Explanation:

Scientific law is a universal law which is applicable for everyone in the earth and also has uniformity. However, theory does not stands the test of time. It can be applied facts that are unrelated and relationships that are new. The theory comes from observations and experimental evidences.