Across
- 1. a pair of equal and oppositely charged poles separated by a distance
- 5. Greek philosopher who sought to interpret universe in terms of numbers
- 7. nuclear reaction in which the nuclei of atoms combine to form more massive nuclei releasing energy
- 9. theory that sun is at the center of universe
- 10. effect of change in the frequency of sound, light or other waves as the source and observer move toward or away from each other
- 11. substance identical to ordinary matter except the electrical charges of particles are opposite
- 13. displacement of spectral lines toward longer wavelengths in rediation
- 14. viepoint in which everything arises from natural properties and causes
- 15. prejudice in favor of or against a thing, person, or group compared with another
Down
- 2. variation of the big bang theory in which the universe experiences accelerated phase of expansion
- 3. a small circle whose center moves around the circumference of a larger one
- 4. origin of the universe, earth, and life according to the Bible account in Genesis
- 6. believing the earth as the center of the universe
- 8. theory that changes in the earth's crust resulted from the action of continuous and uniform processes
- 12. Greek astronomer and geographer of 2nd century A.D.