| A | B |
|---|
| geology | science that studies the earth |
| thermometer | instrument that measures temperature |
| astronaut | scientist trained to travel in space |
| atmosphere | air that surrounds the earth |
| biology | science of living things and life processes |
| thermal | of or pertaining to heat |
| disaster | something that causes great trouble or suffering; great misfortune |
| meteorology | science of weather or climate |
| technology | design and use of tools, ideas, and methods to solve problems |
| hemisphere | half of the earth |
| zoology | scientific study of animal life |
| sociology | scientific study of human society, including its development, forms, and relationships |
| biosphere | all the land, water, and air inhabited by life |
| thermos | container that keeps the liquids it holds either hot or cold |
| asterisk | figure of a star [*], used in printing or writing as a reference mark or to show omission |
| thermostat | instrument that automatically controls the temperatures of furnaces, air conditioners, refrigerators, etc. |
| astronomy | scientific study of the sun, moon, planets, stars, and other heavenly bodies |
| spherical | having the shape of a globe |
| ecology | scientific study that deals with the relationships of organisms to each other and to their environment |
| mythology | study of stories and beliefs concerning gods, heroes, and earthly origins |
| (challenge) psychology | science that studies the mind and its activities |
| (challenge) anthropology | science that deals with man, his origin, physical and cultural development, ways of living, language, customs, beliefs, etc. |
| (challenge) thermoelectricity | Electrical energy produced by the action of heat |
| (challenge) astronomical | having to do with astronomy; extremely large |
| (challenge) microbiology | branch of biology that deals with microscopic (very small) organisms |
