Physics Third Nine Weeks Exam

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950
Across
  1. 4. Method of energy transfer via electromagnetic waves
  2. 6. Term for the particles in the nucleus of an atom
  3. 11. Energy that is transferred between objects
  4. 15. Changing from one form of energy into another
  5. 19. Sum of the kinetic and gravitational potential energy in a system
  6. 20. Term representing total resistance in a parallel circuit
  7. 23. Method of energy transfer by direct contact
  8. 25. Electric potential difference is measured in Joules per Coulomb, or _____.
  9. 26. KE = ½ m ___ 2
  10. 27. Process in which large nuclei break apart into smaller fragments
  11. 28. Type of potential energy stored in food, fuel, and batteries
  12. 31. atoms that have the same number of protons but different numbers of neutrons
  13. 33. Unit of energy
  14. 35. Describes a circuit with multiple paths
  15. 36. Any closed loop or conducting path allowing electric charges to flow
  16. 39. Heat flows from higher to lower _____
  17. 40. Stored energy
  18. 41. What occurs when a neutron is changed into a proton in the nucleus
  19. 43. Particle whose charge is neither negative nor positive
  20. 44. Type of decay that has the highest penetrating ability
  21. 47. Used to calculate electric force
  22. 49. The difference between the sum of the masses of the individual nucleus and the actual mass of the atom
  23. 50. The ability of an object to produce a change in itself or the world around it
Down
  1. 1. Just the nucleus of an isotope
  2. 2. developed the equation to relate energy and mass
  3. 3. Also known as the First Law of Thermodynamics
  4. 5. Occurs whenever the energy or number of nuclear particles changes
  5. 7. Energy resulting from motion
  6. 8. The energy generated by the movement of tiny particles within an object
  7. 9. Continual process of repeated fission reactions caused by the release of neutrons from previous fission reactions
  8. 10. Method of energy transfer in circulating fluids
  9. 12. Includes wood, glass, rubber, and plastic
  10. 13. Type of potential energy that results from multiplying mass by gravity by height
  11. 14. Energy is neither created nor _____
  12. 16. Causes rubber to become negative and fur to become positive
  13. 17. Type of potential energy stored in rubber bands, slingshots, and other compressed objects
  14. 18. Process in which an unstable atomic nucleus emits charged particles and energy
  15. 21. Process in which small nuclei combine to form a larger nucleus
  16. 22. Composed of two protons and two neutrons
  17. 24. Electric field lines point inward toward a particle with a _____ charge.
  18. 29. What occurs when a helium nucleus is ejected from the nucleus
  19. 30. Used to calculate measurable quantities in an electric circuit
  20. 32. The study of heat transformations into other forms of energy
  21. 34. The only charged particle in the nucleus
  22. 37. Changing from one element into another through a nuclear reaction
  23. 38. Ejected from the nucleus when a neutron is changed into a proton
  24. 42. Holds nuclear particles together
  25. 45. As an object falls toward the ground, the amount of GPE it has _____
  26. 46. The time required for half of the atoms in a radioactive sample to decay
  27. 48. Represented in a schematic diagram as an open door