Across
- 2. a character used in writing as a reference
- 4. small, rocky celestial body
- 6. an electromagnet of extremely high frequency
- 7. study of the relationship between organisms and their environment
- 9. device used for producing a much larger view of very small objects
- 10. study of the influence of stars and planets on human affairs
- 12. the use of science in industry to invent useful things or to solve problems
- 13. a little world
- 15. the scientific study of stars, planets, and other objects in outer space
- 17. the science or study of life
- 18. study of the earth, rocks, and physical and chemical changes of the earth
Down
- 1. an extremely small living thing that can only be seen with a microscope
- 2. a person who travels beyond the earth’s atmosphere
- 3. the study of speech
- 5. small piece of semiconductor material carrying many integrated c
- 8. one who studies celestial bodies
- 11. study of the origin development, and functioning of human society
- 13. study of myths dealing with gods legendary heroes
- 14. an event that occurs suddenly causing great loss of life, damage, failure
- 16. film on which very small photos pages of newspaper or magazine are stored