science

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Across
  1. 3. wave energy moves back in forth and medium moves up and down
  2. 5. force forces action on an object that combine a net force that isd bnot zero
  3. 7. force the combination of all the forces acting on an object
  4. 9. the bending of a wave around the edges of an opening or an obstacle
  5. 10. force forces acting on an object that combine and form a net force of zero
  6. 12. the angle of incidence is equal to the angle of reflection
Down
  1. 1. the transfer of energy from a wave to a medium
  2. 2. waves need matter to transfer energy
  3. 4. waves do not need matter to transfer energy
  4. 6. the charge in direction of a wave passing from a medium caused by change of speed
  5. 8. wave wave that matter in medium move forward and backward alone the same direction
  6. 11. a push or pull onm an object