physics

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Across
  1. 2. The unit of work and energy
  2. 5. a substance which does not readily allow the passage of heat or sound
  3. 8. the transfer of heat by the actual transfer matter
  4. 9. energy sound is the movement of energy through substances in longitudinal waves.
  5. 10. the force that attracts a body towards the centre of the earth, or towards any other physical body having mass
Down
  1. 1. The number of oscillations completed in 1 second by an oscillating body
  2. 3. the transfer of heat from a region of higher tmeperature to a region of lower temperature
  3. 4. a material or device that conducts or transmits heat and electricity
  4. 6. the mass of a substance per unit volume
  5. 7. energy energy which a body possesses by virtue of being in motion