LESSON 4

2. happening by itself without conscious effort.
6. relating to the mind or mental processes.
7. the state of being unable to do anything to help oneself.
9. the beginning or source of something.
12. to spend time relaxing or socializing with someone.
14. a mental condition involving deep sadness and loss of interest or energy.
16. to return to an earlier time or point in history.
17. a statement given as evidence, especially in court.
18. a rapid shaking or movement back and forth.

1. the smallest unit of a chemical element that still keeps the properties of that element.
3. to weaken something gradually.
4. mainly or mostly.
5. the state of being aware of one’s thoughts, feelings, and surroundings.
8. to try very hard to do something difficult.
10. to light something again after it has gone out.
11. to breathe air out of the lungs.
13. to give energy or make someone feel more active.
15. a statement given as evidence, especially in court.