Science 8 Puzzle

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Across
  1. 3. The electrons in the outermost energy shell of an atom
  2. 8. Rate of change of an object in a specified direction
  3. 9. Change in the physical state of matter from the gas phase to the solid phase without passing through the liquid phase
  4. 13. Light reflected in all directions by a rough surface
  5. 14. The number of wave vibrations produced in one second
  6. 15. The SI unit of measure for capacity
  7. 16. Change in the physical state of matter from the liquid phase to the gas phase
  8. 19. Any material that can flow
  9. 21. The measure of the average kinetic energy of the particles in a substance
  10. 23. The SI unit of measure for length
  11. 24. Change in the physical state of matter from the gas phase to the liquid phase
  12. 25. The group of elements in the periodic table that are highly reactive nonmetals including flourine, chlorine, bromine, and iodine
  13. 28. Describes matter that allows some but not all of the light that hits it to pass through
  14. 29. The amount of time it takes the earth to complete a revolution around the sun
  15. 32. A device used to measure temperature
  16. 34. Vaporization of a liquid that occurs only on the surface of the liquid
  17. 36. the negatively charged particle found outside the nucleus of an atom
  18. 38. A pure substance composed of two or more elements chemically combined in a fixed proportion
  19. 41. The force that resists the motion of two surfaces that are touching each other
  20. 42. The transfer of light energy into an object through which it is passing
  21. 43. Matter made from two or more elements that are chemically bonded and cannot be separated by physical means
  22. 45. The general pattern of weather in a particular part of the world over a long period of time
  23. 47. The study of the structure, properties, and interactions of matter
  24. 49. The amount of matter in something
  25. 50. The SI unit of measure for matter
  26. 51. The measurement of wave frequency equal to vibrations per second
Down
  1. 1. The process by which water, wind, and ice wear down rocks
  2. 2. The distance from any point on one wave to a corresponding point on the next wave
  3. 4. The unit of measure used to describe force
  4. 5. The change from the solid state to gaseous state without passing through a liquid state
  5. 6. The measure of the force of gravity on an object
  6. 7. The maximum height of a wave
  7. 10. A physical change in which particles of a substance are separated by water particles
  8. 11. Matter which a wave travels through
  9. 12. The bending of the path of light when it passes from one medium to another
  10. 17. The change in an object's speed or direction over time
  11. 18. Open sections within longitudinal waves
  12. 20. Describes any matter that allows light to pass through easily
  13. 22. The ability to do work
  14. 23. A combination of two or more substances that have not combined chemically and can be separated by physical means
  15. 26. Substances that are the building blocks of all matter
  16. 27. When force is used to move an object a distance, measured in joules.
  17. 30. The transfer of heat from a warmer substance to a cooler substance through direct contact
  18. 31. The transfer of energy that spreads away from the source (sound, seismic, water)
  19. 33. The bouncing back of a wave from a surface
  20. 35. The force of attraction between any two objects
  21. 37. Matter that has a definite shape and volume
  22. 39. Mr. Urban's favorite type of joke
  23. 40. The transfer of energy in the form of electromagnetic waves
  24. 44. The study of energy, forces, and motion
  25. 46. elements, usually solid, with a shiny surface, conductivity (electrical and thermal)
  26. 48. A type of energy that humans can actually see (part of the electromagnetic wave spectrum)