Science 8 Puzzle

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