Year 8 Science - Exam Revision

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Across
  1. 7. Allows air to into the burner
  2. 8. a type of change that occurs when a substance is transformed into one or more different substances
  3. 11. When a substance changes state, from a solid to a gas without becoming liquid
  4. 12. Allows air and gas to mix
  5. 14. Blocks/Opens the air hole
  6. 15. state of matter which can expand freely and fill available space
  7. 16. state of matter that is pourable and able to change shape
  8. 17. a substance must have mass and volume
  9. 18. occurs when a liquid is cooled to the point it becomes a solid
  10. 19. the gas form of a liquid
  11. 21. a measure of the mass of a substance in a certain volume
  12. 22. the temperature at which a substance changes from a solid to a liquid
Down
  1. 1. state of matter that is firm and stable
  2. 2. When gas changes state into a liquid by cooling
  3. 3. the temperature a which a substance changes from a liquid to a gas
  4. 4. a type of change that is usually a reversible change of a substance
  5. 5. occurs when a solid is heated to the point it becomes a liquid
  6. 6. the yellow flame of a bunsen burner
  7. 9. the fourth state of matter
  8. 10. the spontaneous spreading of a substance through a liquid/gas
  9. 12. Stops the burner from tipping
  10. 13. When a liquid evaporates and becomes a gas
  11. 20. A piece of scientific equipment used to heat things in the laboratory