Across
- 3. study of the atmosphere
- 4. science or branch of biology dealing with animals.
- 7. from Greeks
- 11. instrument used to make distant objects appear nearer
- 12. border around an object
Down
- 1. a form of biology that deals with the relations of organisms to one another and their physical surroundings
- 2. vacuum bottle lined with an insulating material, like polystyrene, to keep liquids hot or cold.
- 3. by the internal heat of the earth
- 5. by heat or temperature
- 6. study of the origin of words and the way in which their meanings have changed throughout history.
- 8. instrument to check the sounds of a heartbeat and other parts of the body.
- 9. instrument on a vehicle's dashboard indicating its speed.
- 10. straight line segment that passes through the center of the circle and whose endpoints lie on the circle