1. 6. The bark of this tree is fireproof.
  2. 9. Unit in which electric resistance is measured in.
  3. 11. The slope of the distance-time graph.
  4. 12. Energy that is the sum of temperature (ke) and phase (pe) conditions.
  5. 13. The sum of the potential and kinetic energy.
  6. 14. Is an isotope of hydrogen.
  7. 15. Determined the charge on a single electron using his famous oil-drop experiment.
  8. 17. Measures the average kinetic energy of the molecules.
  9. 19. The slope of the velocity-time graph.
  10. 23. Unit in which magnetic flux is measured in.
  11. 24. A force that must produce an acceleration.
  12. 25. Requires that hydrogen be combined to make helium.
  13. 26. A term used to state how large a vector quantity is.
  14. 27. Abbreviation of Radio Detection And Ranging.
  15. 30. Shrinks when heated and expands when cooled.
  16. 33. Requires that a neutron causes uranium to be split into middle size atoms and produce extra neutrons.
  17. 35. Decreases as you move away from the earth by distance squared.
  18. 36. Are electromagnetic and can travel at the speed of light.
  19. 37. Has different neutron numbers and atomic masses but the same number of protons.
  20. 38. Branch of science concerned with the nature and properties of matter and energy.
  1. 1. Newton's first law of motion.
  2. 2. A person who studies physics.
  3. 3. The particle behavior of light is proven by the _________ effect.
  4. 4. Conserved in all collision systems.
  5. 5. Unit in which electric current is measured in.
  6. 7. Unit in which electric power is measured in.
  7. 8. The wire inside an electric bulb.
  8. 10. The area under a velocity-time graph.
  9. 16. Energy that changes only if velocity changes.
  10. 18. The earth’s primary source of energy.
  11. 19. Measured to the normal in wave theory problems.
  12. 20. The particle behavior of ______ is proven by the photoelectric effect.
  13. 21. The change in direction of a wave due to a change in its transmission medium.
  14. 22. Contain no electrons free to move.
  15. 25. Push/pull
  16. 28. Particles that are the same as helium nuclei.
  17. 29. A fundamental measure of the amount of matter in the object.
  18. 31. Discovered the positive nucleus using his famous gold-foil experiment.
  19. 32. Conserved only if a collision is perfectly elastic.
  20. 34. Are stronger with more current or more wire turns or adding a soft iron core.