1. Greek Alphabet and Roots

3. Greek Alphabet Alpha Beta Gamma Delta Epsilon Zeta Eta Theta Iota Kappa Lambda Mu Nu Xi Omicron Pi Rho Sigma Tau Upsilon Phi Chi Psi Omega

4. Astron: star Astronomer: one who names the star Astronaut: star sailor Autos: self Autograph: writing the name of oneself Automobile: self moving Automatic: a machine that seems to think for itself

5. Biblios: of Books Bibliography: a list of books on a particular subject Bibliomania: craziness about books Bio: Life Biology: study of life Autobiography: written life story of one’s self Antibiotic: against living forms which invade the body

6. Chronos: Time Synchronize: do at the same time Chronology: relate events in time sequence Crypto: Hide Cryptogram: a message whose meaning is hidden Cryptograph: a system of secret writing

7. Demos: People Democracy: people power Demography: draw charts of information about people Geo: Earth Geography: draw the earth and write about it Geometry: branch of study on ways to measure the earth Geology: study of the earth and its formations

8. Graph: Write Telegraph: writing from far away Graphite: black carbon used for drawing or writing Hydros: Water Hydrogen: a gas which, when burned, produces water Hydroplane: a boat that glides on the surface of the water Dehydrate: to take water away

9. Hypnos: Sleep Hypnosis: sleep-like state Hypnos: god of sleep in Greek mythology Lithos: Stone Lithograph: picture drawn on stone Monolith: lone stone

10. Logos: study Zoology: study of animals Psychology: study of the mind Mania: madness Pyromania: a compulsion to set things on fire Kleptomania: an irresistible impulse to steal

11. Megas: large, powerful Megalomania: crazy person with delusions of greatness Megaphone: device for making a sound larger Metron: Measure Optometry: measure eyesight Diameter: measuring across Meter: unit of measure

12. Mikros: small Microphone: device for transmitting a small sound over distance Microwave: tiny electromagnetic wave between 1 and 100 centimeters long Microscope: instrument for looking at tiny things

13. Mono: one, alone Monocle: an eyeglass for one eye Monochrome: a painting or drawing in a single color Monogram: two or more letters interwoven into one Pathos: suffering, disease Pathetic: marked by suffering or sorrow Apathy: lack of feeling Sympathy: to feel what another feels

14. Phobos: fear, dread Phobia: irrational fear Claustrophobia: fear of enclosed or confined places Acrophobia: fear of high places Tele: far, far off Television: seeing distant things Telepathy: knowing how someone far away is feeling

15. Thermo: heat Thermal: relating to heat Thermometer: device for measuring heat