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Across 2. A factor that can be changed separately, or independently 4. To look at 5. The use of scientific knowledge to solve problems or engineer new products, tools, or processes 7. A habit of mind that involves considering new ideas for solving problems 8. A set of widely accepted explanations of oberservations and phenomena 9. Inquiries that are done outside a laboratory 10. A guess of what might happen in the future 11. The actions that make up an inquiry; these usually include asking questions, determining what is known, investigating, interpreting results, and sharing information 17. The rules or standards governing the conduct of a person or the members of a profession 18. To agree to participate in an experiment 20. Data results

Down 1. A factor that can be changed separately or independently 3. A set of experimental trials in which the effects of changes to an independent variable are tested 6. A method of analysis that depends on logic and reasoning 12. A set of experimental trials in which all variables are kept constant; used for comparison in an experiment 13. The act of doubting and questioning 14. A place for scientific work 15. A tentative explanation for an observation or phenomenon 16. The process of doing an experiment 19. A representation of an object or process