Unit 21 Challenge Spelling

2. a permanent unit of an army typically commanded by a colonel and divided into several companies, squadrons, or batteries and often into two battalions
4. evaluate a theory or practice in a detailed and particular way
7. the study of the distant past
8. a promise that something will be done or will happen
9. a drawing made by filling in the outline of a figure with a solid color usually black
10. a melon
12. the official power to make legal decisions and judgments
15. in the United Kingdom the highest legislature, consisting of the sovereign, the House of Lords, and the House of Commons
16. happening in the air
18. a disguise or natural coloring that allows people, animals, or objects to hide by making themselves look like their surroundings
19. a military officer
21. a greenish-blue color
22. very fine china
24. an afternoon performance, play, or movie.

1. someone who pretends or claims to have certain beliefs or feelings that he or she does not really have
2. to rebound off a hard surface
3. an automobile that is bigger and more luxurious than a regular car
5. relating to the structure of populations
6. to surrender
11. fake, but looking almost like the real thing
13. familiar with and at ease in many different countries and cultures
14. someone or something that is annoying or causing problems
17. communication or cooperation that facilitates a close working relationship between people or organizations
20. an infectious disease present in a large amount of people at the same time
23. a public entertainment where people walk on procession, often in costume, or act out historical scenes