AFNR 3.2 Vocabulary

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Across
  1. 2. The science of classification of organisms and other objects and their arrangement into systematic groups such as species, genus, family, and order.
  2. 4. A statement that can be tested experimentally.
  3. 8. To arrange or organize a group based on common attributes, characteristics, qualities, or traits.
  4. 10. In an experiment, the factor being tested.
  5. 11. Observable information based on physical characteristics.
  6. 12. To develop an assumption of an anticipated outcome.
  7. 14. A diagram representing a system of connections or interrelations among two or more things by a number of distinctive dots, lines, or bars.
  8. 15. The measure of how many hydrogen ions a solution contains.
  9. 16. A substance containing hydrogen that dissociates to form hydrogen ions when dissolved in water; any substance with a pH less than 7.0.
  10. 18. A sheet exhibiting information in a table or systematic arrangement of columns and rows.
  11. 19. To derive by reasoning; conclude or judge from premises or evidence.
  12. 20. key A key for identifying organisms based on choices between alternative characters.
  13. 21. A seeking or request for truth, information, or knowledge.
Down
  1. 1. Measurable information.
  2. 3. Exhibiting neither acid nor alkaline qualities.
  3. 4. The chemical group or ion OH- that consists of one atom of hydrogen and one of oxygen.
  4. 5. scale A numeric range that quantifies the relative concentrations of hydronium ions and hydroxide ions in a solution.
  5. 6. method A linear procedure for investigating problems of a scientific nature.
  6. 7. The measure of how many hydroxyl ions a solution contains.
  7. 8. In an experiment, a group or individual that serves as a standard of comparison with another group or individual to which one test factor is applied.
  8. 9. process The process of objectively establishing facts through testing and experimentation.
  9. 12. A numerical measure of a substance's acidity or hydrogen ion activity.
  10. 13. The forming, sorting, apportioning, grouping, or dividing of objects into classes to form an ordered arrangement of items with a defined range of characteristics.
  11. 17. A substance that gives off hydroxyl ions when dissolved in water; any substance with a pH above 7.0.
  12. 19. An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.