Earth Science Ch. 2 Crossword Puzzle

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Across
  1. 7. the change in state from a liquid to a solid caused by removing energy
  2. 9. a fluid state of matter in which the particle are free to move but are held close to each other
  3. 10. the change of state from a liquid to a gas below the boiling point
  4. 14. the physical form of matter described by its physical characteristics
  5. 15. scientific law that states that matter and energy cannot be created or destroyed, but can only transfer between objects or transformed to a different form
  6. 18. a charged atom or group of atoms caused by a charge imbalance, which is produced by an unequal number of protons and electrons
  7. 20. the change in state from a solid directly to a gas caused by adding energy
  8. 21. the change of state from a liquid to a gas at the boiling point
  9. 22. anything that has mass and takes up a space; a physical substance
  10. 23. a material made of only one kind of element or compound; not a mixture
  11. 26. the change of state from a solid to a liquid at the melting point that is caused by adding energy
  12. 29. the ability to do work
  13. 31. two or more chemically bonded atoms
  14. 32. a rigid state of matter in which the particles align in a fixed arrangement
Down
  1. 1. the change from one pure substance to another by the rearrangement of atoms in a chemical reaction
  2. 2. a pure substance made up of only one kind of atom
  3. 3. a change of one element into another element by changes occurring in the nucleus of the atom
  4. 4. a pure substance formed by chemically combining or two or more elements
  5. 5. a physical combination of two or more substances
  6. 6. the force of gravitational attraction between an object's mass and its resident planet
  7. 8. a change in matter that doesn't alterits chemical identity
  8. 11. the attractive force between any two objects based on their masses
  9. 12. force acting on a moving object in the same or opposite direction of its motion or when energy is transferred to one object to another
  10. 13. the change in state from a liquid to a gas caused by adding energy
  11. 16. the measure of the amount of matter in an object
  12. 17. the hotness or coldness of a substance, stated in degrees, a measure of the average kinetic energy of a substance
  13. 19. the amount of space that an object occupies
  14. 24. the change in state from a gas to a liquid caused by removing energy
  15. 25. a push or pull on an object
  16. 27. a fluid state of matter in which the particles move so fast and are so far apart as to have little interaction with each other
  17. 28. the smallest neutral particle of an element that retains the characteristics of that element
  18. 30. a fluid state of matter made of extremely high temperature ionized particles.