| A | B |
|---|
| geode | a globe-shaped hollow stone having a cavity lined with inward-growing crystals |
| geography | the science that deals with the surface of the earth and its physical features, climates, vegetation, and population destribution |
| geology | the study of the earth, including its origin, structure, composition, and history |
| geometry | the branch of mathematics that deals with the properties of figures in space |
| geothermal | relating to the earth's internal heat |
| geo | earth |
| calligraphy | the art of fine handwriting |
| graphic | relating to writing, drawing, or painting;vivid or lifelike |
| graphite | a soft, black, greasy-feeling form of carbon, used in pencils and as a lubricant |
| mimeograph | a duplicating machine that uses a type of stencil to reproduce written material |
| hyperactive | extremely or abnormallyactive |
| hyperbole | a deliberate exaggeration used for effect only |
| hypercritical | excessively critical; finding too much to criticize |
| hypertension | abnormally high blood pressure |
| hyperventilation | extremely rapid or deep breatheing that causes dizziness and faintness |
| archeology | the study of the life and culture of ancient people |
| meteorology | the study of weather |
| psychology | the study of the human mind and behavior |
| seismology | the study of earthquakes |
| theology | the study of religion |
| -ology | the study of |
| hyper- | over, overly |
