LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How is a scientific theory different from a guess?
A
Theories are created by scientists; guesses are made by regular people
B
Theories are backed up by evidence; guesses are not
C
Theories are usually longer than guesses
D
“Theory” is simply a fancier word for “g
Explanation: 

Detailed explanation-1: -In everyday use, the word “theory” often means an untested hunch, or a guess without supporting evidence. But for scientists, a theory has nearly the opposite meaning. A theory is a well-substantiated explanation of an aspect of the natural world that can incorporate laws, hypotheses and facts.

Detailed explanation-2: -A scientific theory is a well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment. Such fact-supported theories are not “guesses” but reliable accounts of the real world.

Detailed explanation-3: -A theory never becomes a fact. It is an explanation of one or more facts. A well-supported evidence-based theory becomes acceptable until disproved. It never evolves to a fact, and that’s a fact.

There is 1 question to complete.