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