Question

which of the following statements best defines a scientific law? a a scientific law is a broad statement that is not based on evidence. b a scientific law is a statement describing what always happens under certain conditions. c a scientific law is an educated guess about why something happens. d a scientific law explains why things happen.

Explanation:

Scientific laws are based on repeated observations and experiments, stating what occurs under specific conditions. They are not guesses (option c) and do not explain why (that's a theory), and they are evidence - based (contrary to option a).

Answer:

B. A scientific law is a statement describing what always happens under certain conditions.