| A | B |
| dehydrate | to lose water or moisture; to become dry |
| hydroelectric | related to electricity that is made from the energy of falling water |
| hydrant | an upright pipe with a spout, nozzle, or other outlet, usually in the street, especially for fighting fires |
| aquatic | living or taking place in water |
| aqueduct | a channel that has been built to carry water over long distances |
| aquarium | a glass tank or bowl in which fish or other aquatic animals live |
| aquifer | an underground layer of rock that water continually moves through |
| marine | related to the sea; existing in or produced by the sea |
| marina | a small harbor where small boats can dock |
| maritime | on or near the sea |
| visualize | form a mental image of something; imagine |
| vista | a pleasing view, especially one seen through a long, narrow opening |
| visionary | a person with original ideas about what the future will or could be like |
| audible | able to be heard |
| audition | an interview for a particular role or job as a singer, actor, dancer, or musician, consisting of a performance |
| audience | a group of people who have gathered to watch a performance or public event |
| auditorium | the part of the theater, concert hall, or other public building in which the audience sits |
| cacophony | a mixture of various unpleasant sounds; harsh sounds |
| xylophone | a musical instrument played by striking a row of metal bars of different lengths with one or more small wooden or plastic mallets |
| phonograph | a machine that reproduces sound (music) by placing a needle in contact with a grooved rotating disk; a record player |
| memoir | a written account in which someone describes past experiences |
| memorialize | to do or create something that causes people to remember an important person, thing, or event |
| memorable | vergy good or interesting and worth remembering |
| memento | an object that is a reminder of a person, place, or event; a souvenir |
| geology | the scientific study of the history of Earth, especially as recorded by rocks |
| anthropology | the study of human races, origins, societies, and cultures |
| etymology | the study of the origin of words and the way in which their meanings have changed throughout history |
| science | the study of the natural world based on facts learned through experiments and observations |
| conscience | the part of the mind that tells you certain actions are right or wrong |
| conscientious | very careful about doing what you are supposed to do; concerned with doing something correctly |
| cycle | a set of events or actions that happen again and again in the same order; a repeating series of events or actions |
| cyclical | happening again and again in the same order; happening in cycles |
| cyclone | an extremely large, powerful, and destructive storm with very high winds that turn around in an area of low pressure |
| circumference | the length of a line that goes around a circle or other round shape |
| circuit | the complete path that an electric current travels along |
| circumstance | a condition that surrounds or causes an event to happen |
| circumvent | to get around something in a clever and sometimes dishonest way |
| central | located in the center of a thing or place |
| concentric | when two or more objects share the same center point |
| eccentric | tending to act in strange or unusual ways |
| dictate | to speak or read something to a person who writes it down; to decree |
| contradict | to say the opposite of something that someone else has said; to deny the truth |
| edict | an official order given by a person with power or by a government |
| autobiography | a person's life story written by that person |
| telegram | a message sent by telegraph and then delivered in a written or printed form |
| calligraphy | the art of making beautiful handwriting |
| graphic | shown or described in a very clear way, used especially to refer to things that are unpleasant or shocking |
| inscription | words that are written on or cut into a surface |
| transcript | a written, printed, or typed copy of words that have been spoken |
| prescription | a written message from a doctor that officially tells a patient what medicine to take |