Physics and Energy

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Across
  1. 3. Something that takes up space and has mass.
  2. 4. A wave whose oscillations are perpendicular to the direction of the wave's travel.
  3. 6. The measurement of rate and direction of motion.
  4. 11. The rate or measurement at which work is done.
  5. 12. A change in the path of a wave when it hits an obstacle.
  6. 15. How fast something is moving.
  7. 20. An electromagnetic wave is slightly shorter than Visible light.
  8. 21. The theoretical lowest temperature where all molecular motion stops.
  9. 22. The measure of the force of gravity acting on the mass of an object.
  10. 25. A property of liquids that caused them to want to stay together.
  11. 27. An area containing no matter; free space
  12. 30. A wave energy reflected and emitted from objects traveling through space.
  13. 31. An electric current that periodically changes direction, also called AC.
  14. 33. An electromagnetic wave that can see your bones.
  15. 34. An electromagnetic wave that vibrates the water molecules in your food.
  16. 35. The base unit of mass.
  17. 38. Heat electromagnetic wave
Down
  1. 1. The measure of the compactness of a substance.
  2. 2. The 60th part of a minute.
  3. 5. How change in velocity is measured.
  4. 7. The smallest unit of matter.
  5. 8. An electromagnetic wave that has the shortest wavelength.
  6. 9. A device that diverges or converges a beam of light.
  7. 10. The waves where the displacement of the medium is parallel to the direction of travel.
  8. 13. The longest electromagnetic wave.
  9. 14. The unit used to measure electrical energy.
  10. 16. An electric current that flows in one direction.
  11. 17. The movement of electrons.
  12. 18. Unit to measure temperature that is 273.15 + ℃.
  13. 19. The amount of matter in an object.
  14. 22. The measurement of an energy transfer when an object moves.
  15. 23. The force of attraction between two objects.
  16. 24. The simplest mechanisms known that can use leverage (or mechanical advantage) to increase force.
  17. 26. The resistance from objects rubbing against each other.
  18. 28. The resistance of motion.
  19. 29. The measurement of a push or pull on an object.
  20. 31. The height of a wave from the line of rest.
  21. 32. How force is measured.
  22. 36. A substance that transfers electricity, heat, etc well.
  23. 37. The unit for frequency.