1. ACHS Week 10 Root Words ast-- star audi-- hear auto-- self bene-- good bio-- life

2. Ast-star ASTRONOMY  Noun-The branch of science that deals with celestial objects, space, and the physical universe as a whole.

3. as·tro·nom·i·cal  also as·tro·nom·ic adjective  1: of or relating to astronomy ▪ astronomical research  2: extremely large ▪ The cost of the office building was astronomical.▪  We got an astronomical telephone bill this month.  — as·tro·nom·i·cal·ly adverb ▪ The cost of health care has risen astronomically.▪ an astronomically large amount of money

4. Astronomical amount of $$$

5. Audi-hear au·di·to·ry adjective technical: relating to hearing or the ears ▪ The patient has damage to the auditory nerve. au·di·to·ri·um noun [ large room or building where people gather to watch a performance, hear a speech, etc. The auditorium at ACHS is the venue for concerts and plays.

7. AUTO-SELF automobile: a vehicle containing its own means of propulsion, autobiography: the story of one’s life written by oneself, autonomy: self-government; independence of action, autoinfection: infection caused from within one’s own body

9. Bene=good benefits of health, benefits of yoga, benefits of studying, benefits of a positive attitude, benefits of drinking water, benefits of helping others…

11. Bio=life biodegradable, autobiography, bioengineering, biology, biorhythm, bioregion What other words can you think of that include bio?

13. Some roots form whole words by themselves. For example: audio means "sound" or "hearing." Although these roots form words in and of themselves, you can also combine them with other word elements (like prefixes and suffixes) to make new words, as in the following: audiologist ( a person who checks your hearing)

14. Some roots must be combined with other word elements to form words. Prefixes and suffixes alter or refine a word's meaning. For example, the word audible means "able to be heard." With the prefix in-, the word becomes inaudible, which means "unable to be heard."

15. A word can contain more than one root. For example, Audiometry (from the Latin audīre, "to hear" and metria, “to measure”) is the science of measuring hearing acuity for variations in sound intensity and pitch.