Science

3. v. To turn around; to take turns in sequence
5. n. A part in relation to the whole
6. v. To organize or arrange in succession
8. n. Precision; exactness
9. v. To lie over part of something; to have elements in common
12. adv. At a very fast rate
17. v. To come from, usually through a long, slow process
19. adj. Immeasurably small
22. n. A central or essential part around which other parts are gathered; a core
23. n. The point of origin or creation
24. v. To make use of; to carry out
25. v. To set off or initiate
28. adv. In a whole or complete manner

1. v. To be slowly weakened by chemical reactions
2. adj. Chosen simply by whim or chance, not for any specific reason
4. n. Setting something into position for use
7. n. The process of burning
10. adv. Practically; in a way that can work
11. n. The act of keeping something in good condition
12. adv. Quickly and efficiently
13. v. To spread or flow throughout; to pass through or penetrate
14. v. To transport from one place to another; to transmit or make known
15. adj. Next to
16. n. One part of a system or whole
18. v. To change; to get accustomed to something
19. adj. Ahead of the times; novel
20. v. To pass slowly for a long time, as a liquid or gas might
21. adv. Separately; distinctly
26. v. To empty or hollow out
27. n. The cost per unit of a good or service; the motion or change that happens in a certain time.
29. v. To keep or hold