Across
- 1. HOT MOLTEN ROCKS
- 5. GREETING OR AS A SIGNAL, SIGN
- 7. ARCH OF COLORS FORMED IN THE SKY
- 12. DISTANCE BETWEEN SUCCESSIVE CREST OF A WAVE
- 14. LONG DISTANCE COMMUNICATION WAVE
- 15. WAVE WITH A WAVELENGTH
- 16. REFLECTIVE SURFACE
- 17. ALSO CALLED DINSCRUPTED THEORY
- 19. DIVISION INTO TWO SHARPLY CONTRASTING
- 21. GEOLICAL PROCESS
- 22. A LONG HIGH SEA WAVE
- 24. SLIDE AWAY THE ROCKS
- 27. SERIES OF SOUNDS BY THE SOUND WAVES
- 28. BEAM OF LIGHT THAT SPREAD OUT
- 35. GREATER THAN WAVE
- 36. VISIBLE TO THE HUMAN EYE
- 38. LUMINOUS ENVELOPE OF A STAR
- 41. THE ACTION OF PROCESS INTERFERING
- 42. NOT ABLE TO BE SEEN THROUGH
- 43. PENETRATING ELECTROMAGNETIC RADIATION
- 44. THIRD PLANET FROM THE SUN
- 45. EMISSION OF ENERGY
- 46. LIGHT FROM ONE CELESTIAL BODY
- 47. THE HIGHEST POINT
- 49. DENSTRUCTIVE PLATE THEORY
Down
- 2. A SHAFT SHARPENED AT THE FRONT
- 3. OUTLINE OR SURFACE THAT CURVES INWARD
- 4. ROCK FORMATIONS
- 6. ELECTROMAGNETIC RADIARTION
- 8. LIQUID LAYER
- 9. RADIATION OF ELECTROMAGNETIC
- 10. ACTION PROCESS
- 11. PHENOMENON OF LIGHT
- 13. COMPOSED OF ALL EM WAVES
- 18. SOLID BALL
- 20. A GERMAN PHYSICIST
- 23. NATURAL SATELLITE
- 25. DISTANCE BETWEEN THE CENTER
- 26. VIOLENT SHAKING OF THE GROUND
- 29. LOOSE SLEVELESS SHAWL
- 30. EMISSION OF LIGHT BY SUBSTANCE BY NOT BEEN HEATED
- 31. IT MEASURE HUMANS VISUAL
- 32. KNOWN AS OPTICS
- 33. PORTABLE LIGHT
- 34. A MOUNTAIN OR HILL
- 37. CENTER OF INTEREST
- 39. CAN DETECT ONE OR MORE SPORTS OF SHRINGKING
- 40. THROWING BACK A BODY
- 48. HOT MOLTEN LIQUID ROCKS
- 50. EXPLOSION OF LAVA