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 experimental evidence and describe consistent natural - phenomena under specific conditions. Option A is incorrect as scientific laws are evidence - based. Option C describes a hypothesis. Option D describes a scientific theory which explains why things happen, while laws describe what happens.

Answer:

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