Rep P/R unit 3

4. A strong, regular, repeated pattern of movement or sound in music or poetry.
6. The study of the rights and duties of citizenship.
8. An activity at a school pursued in addition to the normal course of study.
10. The basic building block of matter, consisting of protons, neutrons, and electrons.
13. Not engaging in or involving physical activity or regular work.
15. Demanding that rules concerning behavior are obeyed and observed completely.
16. A fixed sum of money paid for a privilege, service, or admission.

1. A person appointed to act as a substitute or assistant for a principal official.
2. A long hallway in a building from which doors lead into rooms.
3. Required by a legal, moral, or official rule; compulsory.
5. A school or class for young children serving as an introduction to formal education.
7. A room or building equipped for scientific experiments and research.
9. A place in a school or office where food and drink are served.
11. Traditional stories concerning the early history of a people or explaining a natural phenomenon.
12. A person who gives academic presentations or talks to a college class.
14. Not present in a place, at an occasion, or missing from class.