Science Form 1 Chapter 5: Matter (5.2 Three states of Matter)

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Across
  1. 5. Heat is ______________ when a matter is cooled.
  2. 7. Matter is made up of discrete ___________.
  3. 8. Which matter has the widest space and arrangement between the particles?
  4. 12. liquid → gas, absorbs heat, occurs at 100°C
  5. 13. Liquid is difficult to be compressed, gas is compressible while solid is ____________________.
  6. 17. liquid → gas, absorbs heat, occurs at any temperature
  7. 18. Solid → liquid, absorbs heat
Down
  1. 1. Heat is _______________ when a matter is heated.
  2. 2. What is the substance that exists in all three states naturally?
  3. 3. gas → liquid, releases heat
  4. 4. Solid and liquid have fixed __________ while gas doesn't.
  5. 6. solid → gas, gas → solid
  6. 9. liquid → solid, releases heat, occurs below 0°C
  7. 10. Rate of diffusion of particles in liquid is lower than solid. true/false
  8. 11. Solid and liquid have fixed ____________ while gas follows the ______________ of the container.
  9. 14. ____________ vibrate in a fixed position.
  10. 15. Liquid and gas move ____________.
  11. 16. ____________ is the process in which the particles of substances diffuse from a high concentration area to a low concentration area