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Blue List 29
| Question | Answer |
|---|---|
| geography | the study of the physical features of the earth |
| perimeter | the outermost parts or boundary of an area or object |
| periscope | an apparatus consisting of a tube attached to a set of mirrors or prisms, by which an observer (typically in a submerged submarine or behind a high obstacle) can see things that are otherwise out of sight. |
| geothermal | relating to or produced by the internal heat of the earth. |
| thermostat | a device that automatically regulates temperature, or that activates a device when the temperature reaches a certain point. |
| ecology | the branch of biology that deals with the relations of organisms to one another and to their physical surroundings. |
| thermos | a container that keeps a drink or other fluid hot or cold by means of a double wall enclosing a vacuum. |
| zoology | the scientific study of animals. |
| thermal | relating to heat. |
| mythology | a collection of myths, especially one belonging to a particular religious or cultural tradition. |
| thermometer | an instrument for measuring and indicating temperature, |
| microscope | an optical instrument used for viewing very small objects |
| speedmometer | an instrument used to monitor speed |
| stethoscope | a medical instrument for listening to the action of someone's heart or breathing |
| etymology | the study of the origin of words and the way in which their meanings have changed throughout history. |
| diameter | a straight line passing from side to side through the center of a circle |
| telescope | an optical instrument designed to make distant objects appear nearer |
| geology | the science that deals with the earth's physical structure |
| barometer | an instrument measuring atmospheric pressure, used especially in forecasting the weather and determining altitude. |
| horoscope | a forecast of a person's future, typically including a delineation of character and circumstances, based on the relative positions of the stars and planets at the time of that person's birth. |
| millimeter | one thousandth of a meter |
| geode | a small cavity in rock lined with crystals or other mineral matter. |
| kilometer | a metric unit of measurement equal to 1,000 meters |
| geometry | the branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids |
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