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1. What were the scientists looking for? What question (or questions) did they ask?
2. What methods did they use to answer their question?
3. Did the researchers compare two or more things? Did they look at some factor over time? Did they use a technique to identify something new?
4. What answers did the scientists come up with? Why do they think their answers are important?
5. What are the limitations of the findings? Do the results apply in all cases? Are there things to watch out for?