You are given an elementary science question along with a few answer options. List all the words from the question that are essential and sufficient for choosing the correct answer option. Keep in mind that essential words are necessary to understand the meaning of the given question. However, non-essential words provide little information needed to select the correct answer. You can think about it like this: If the question was in another language, knowing the meaning of which words were necessary and enough for you to understand the question and answer it?. If your answer consists of multiple spans of words from the question, separate those using a comma (", "). Do not generate any word that is not present in the question. Make sure that your response is contained in the given question and the words are in the same order as the question.
 Grammatical correctness is not important.

Q: Question: A chemical property of a mineral is evident if the mineral (1) breaks easily when struck with a hammer (2) bubbles when acid is placed on it (3) is easily scratched by a fingernail (4) reflects light from its surface?

A: chemical, property, mineral, evident
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Q: Question: A group of fifth grade students go to the school park on a sunny day and measure the length of their shadows at 10:00 AM, at noon, and at 2:45 PM. To measure and record the data from their observations, they use a ___. (A) thermometer and balance (B) clock and measuring tape (C) clock and calculator (D) clock and thermometer?

A: measure, length, shadows, 10:00, 2:45, PM., use
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Q: Question: Birds eat non-camouflaged moths at a higher rate than they eat camouflaged moths. In which situation would birds eat the moths at the slowest rate? (A) dark moths in any environment (B) light moths in any environment (C) dark moths in a light environment (D) light moths in a light environment?

A:
Birds, eat, non-camouflaged, moths, camouflaged, moths., moths, slowest, rate?
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