Across
- 1. Exhibiting neither acid nor alkaline qualities.
- 4. To derive by reasoning; conclude or judge from premises or evidence.
- 7. An act or instance of noticing or perceiving.
- 8. A seeking or request for truth, information, or knowledge.
- 10. A numerical measure of acidity or hydrogen ion activity of a substance.
- 11. scale A numeric range that quantifies the relative concentrations of hydronium ions and hydroxide ions.
- 14. In an experiment, a group or individual that serves as a standard of comparison with another group
- 16. The forming, sorting, apportioning, grouping, or dividing of objects into classes.
- 23. A key for the identification of organisms based on a series of choices.
- 24. Measurable information.
- 25. In an experiment, the factor being tested.
Down
- 2. The science of classification of organisms and other objects.
- 3. Diligent and systematic inquiry or investigation into a subject in order to discover or revise facts.
- 5. A statement that can be tested experimentally.
- 6. method A procedure for investigating problems of a scientific nature.
- 9. Observable information based on physical characteristics.
- 12. The chemical group or ion OH- that consists of one atom of hydrogen and one of oxygen.
- 13. To develop an assumption of an anticipated outcome.
- 14. To arrange or organize a group by reason of common attributes, characteristics, qualities, or traits.
- 15. A substance containing hydrogen that dissociates to form hydrogen ions when dissolved in water.
- 17. The measure of how many hydroxyl ions a solution contains.
- 18. One of a series of steps taken to accomplish an end.
- 19. A diagram representing a system of connections or interrelations among two or more things.
- 20. The measure of how many hydrogen ions a solution contains.
- 21. A substance that gives off hydroxyl ions when dissolved in water; any substance with a pH above 7.0.
- 22. A sheet exhibiting information in a table or systematic arrangement of columns and rows.