LEARN WITH FUN

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Across
  1. 2. It is the process of a solid directly turning into a gas without becoming a liquid first
  2. 4. It is a type of energy which is associated with the motion of particles in matter
  3. 6. It is the basic unit of a chemical element consisting of a nucleus surrounded by electrons
  4. 10. It is the process of a gas turning into a liquid
  5. 11. A state of matter that has a definite volume but takes the shape of its container
  6. 12. It is the process of a liquid turning into a gas at any temperature
  7. 18. It is the smallest unit of a chemical element that retains the properties of that element
  8. 19. It is a property which measures the degree of hotness or coldness of a substance
Down
  1. 1. It is a property which measures the amount of matter in an object
  2. 3. It is the process of a liquid turning into a gas throughout its volume
  3. 5. It is the process of a liquid turning into a gas at the surface
  4. 7. It is the gaseous form of a substance that is typically a liquid or solid at room temperature
  5. 8. It is a property which describes the amount of mass per unit volume of a substance
  6. 9. A state of matter that has a definite shape and volume
  7. 12. It is a property that measures the amount of space an object occupies
  8. 13. It is the process of a liquid turning into a solid
  9. 14. It is a property which describes the force exerted by a substance per unit area
  10. 15. It is the fourth state of matter, consisting of ionized gas
  11. 16. It is the process of a solid turning into a liquid
  12. 17. A state of matter that has neither a definite shape nor a definite volume