Science can answer only questions that are testable. That means there must be a test you can perform to show whether a hypothesis is false or whether it is consistent with the data. So you need data, you need a method, and you need the technology to do the required testing.
Religion and science are different because religious concepts aren't testable. They are based on faith, which is acceptance of a claim despite the evidence, or lack of it. Science is just the reverse: it is the acceptance of a claim only if the evidence warrants it.
Science answers testable questions, some questions are not testable.
Science questions are science questions.
Science is concerned with objective reality, therefore it does not answer subjective questions, vaguely worded questions, or meaningless questions.
Generally speaking, as a safe answer, it is because of the scientific method. This method requires you to construct a hypothesis, test this hypothesis by experiment and data to reach a conclusion that can be tested (to the same results) by others. For example: this method can prove that gravity is constant field without reliance on mass - but it cannot be explained how this field reacts to other fields (unified field theory). This method also requires that there is an answer. Some questions such as what is the best beer, prettiest woman, true love, true religion etc. are more opinion than fact with no "right" answer.
There are 40 questions on the science Aspire test.
...science.
Answer it!
We do not know for certain what questions cannot ever be answered by science; we can certainly say which questions have not yet been answered by science, but we do not know what new information may be obtained by scientific research in the future. However, some types of problems do seem to be more amenable to scientific enquiry than others. Science has a particular method, based on observation and logical analysis. This is an excellent method for many types of problems, but perhaps not for all types of problems. Some things may depend more on feelings than on logical analysis.
You can find a suitable resource for questions about medical science on sciencebasedmedicine.org/nine-questions-nine-answers/
Testable questions.
Science can answer questions about our physical world.
which statement best describe the limit of science