Unit 12 Reading 1

2. To take in or soak up energy, liquid, or information
5. Forming a necessary base or core; of central importance
8. A proposed explanation made on limited evidence as a starting point for investigation
9. Relating to the position, area, and size of things in space
11. Exceptionally good, or remaining unresolved and unpaid
13. A formal set of ideas intended to explain something
16. To show clearly by giving proof or evidence
18. The act of watching over and directing a person or activity
20. Of extreme force, degree, or strength

1. A single human being as distinct from a group
3. A sudden, dramatic, and important discovery or development
4. To emphasize a point, or mental/physical strain and pressure
6. A task or situation that tests someone's abilities
7. The state of being logically sound or legally and factually binding
10. To accept something as true without question or proof
12. To commit oneself to and begin an enterprise or task
14. To establish or indicate who or what someone or something is
15. A periodical publication containing articles on a particular academic topic
17. To encourage development, activity, or interest in something
19. Extremely thorough, exhaustive, or strictly accurate