Science 8 Puzzle

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