Alyssa observed a flock of small birds in her yard. The birds visited a pair of feeders that her parents put out for them and splashed in the birdbath. Which question is a nonscientific question that she might ask about the birds?

A scientific question can be investigated through observations or tests. The time birds visit, whether a birdbath affects feeding, and whether changing the seed affects visits can all be studied by collecting evidence. Asking which bird is “most beautiful” depends on personal opinion rather than a measurable scientific test, so the answer is D, “Which among the birds that visited the feeders is the most beautiful?”

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