Science

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Across
  1. 3. subatomic particle with a negative charge
  2. 4. the temperature at which a liquid turns into a solid
  3. 7. a state of matter with a defined volume but no defined shape
  4. 8. subatomic particle with no electric charge, located within the nucleus of the atom
  5. 11. or more atoms joined together
  6. 12. the process by which a gas changes into a liquid
  7. 14. the process in which matter changes from a liquid to a gas
  8. 15. material that has mass and takes up some amount of space
  9. 16. a state of matter without any defined volume or shape
Down
  1. 1. a subatomic particle with a positive charge that is located in the nucleus of an atom
  2. 2. with a fixed volume and shape
  3. 5. pure substance that cannot be broken down into simpler substances by chemical reactions
  4. 6. the temperature at which a solid turns into a liquid
  5. 9. matter phase change from solid directly to a gas
  6. 10. a pure substance that is formed when two or more different elements combine; can usually be separated into component elements by chemical reaction
  7. 13. a property of matter which is undergoing a phase change from liquid to gas