GENERAL SCIENCE

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Across
  1. 3. The fourth state of matter.
  2. 5. spreads Malaria.
  3. 8. The combining power of an element.
  4. 9. The part of ear which collects sound from surroundings.
  5. 11. power house of the cell.
  6. 12. a device that uses ultrasonic waves to measure the distance, direction and speed of underwater bodies.
Down
  1. 1. bacteria used in the fermentation process of yoghurt, cheese.
  2. 2. Tissue having dead cells.
  3. 4. mass per unit volume.
  4. 6. a medical instrument used for listening to sound produced withing the body, chiefly in the heart or lungs.
  5. 7. intensity of heat in a substance.
  6. 10. smallest particle of a substance.