Physical Science Terms!

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Across
  1. 3. Solids that lose their shapes under certain conditions.
  2. 4. An effect characterised by a change in sound or light that occurs whenever there is motion between the source and its observer.
  3. 5. The change in direction of light ray when passing one medium to another.
  4. 7. A reaction or process accompanied by or requiring the absorption of heat.
  5. 8. An explosive force equal to one million metric tons of TNT
  6. 10. A force which keeps a body moving with a uniform speed along a circular path and is directed along the radius towards the centre.
Down
  1. 1. Substance that appears to be the same throughout.
  2. 2. Fixed pivot point of a lever.
  3. 6. Velocity of falling object reached when force of air resistance equals weight.
  4. 9. Tendency of objects to remain in motion or to stay at rest unless acted upon by an outside force.