Quarter 1 Vocabulary Review

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Across
  1. 1. Elements that can conduct electricity
  2. 4. State of matter where the particles are tightly packed
  3. 5. Particle that makes up an atom and have a negative charge
  4. 7. The amount of space an object or substance takes up
  5. 10. If the pressure of a gas is held constant, increasing its temperature increases its volume
  6. 14. Substance present at the start of a chemical reaction
  7. 16. Occurs when particles at the surface of a liquid gain enough energy to escape into the air
  8. 19. If the temperature of a gas is held constant, decreasing the volume will increase its pressure
  9. 20. The process in which a gas changes directly to a solid
  10. 21. State of matter where the particles are in close contact but can slip past each other
  11. 22. Substance produced in the reaction
  12. 23. State of matter where the particles can pull apart from each other and spread out
  13. 24. The building blocks of matter
  14. 25. Matter changes into a different substance with different properties
  15. 27. The process in which a solid changes directly to a gas
  16. 28. State of matter that can conduct electricity and respond to a magnetic field
  17. 29. Type of reaction where the temperature of the products is usually lower than the temperature of the reactants
  18. 30. The amount of matter in an object
  19. 31. The force of gravity acting on an object
  20. 32. Substance formed when two or more elements combined chemically
Down
  1. 2. Type of reaction where energy, often in the form of heat, is released
  2. 3. Type of reaction where one reactant breaks down into two or more products
  3. 6. Law that states matter cannot be created or destroyed
  4. 8. The standard way to represent a chemical reaction
  5. 9. Combination of two or more substances
  6. 11. Particle that makes up an atom and have no charge
  7. 12. Simplest form of matter that cannot be separated into other substances
  8. 13. Particle that makes up an atom and have a positive charge
  9. 15. The arrangement of elements in order of their atomic numbers
  10. 17. Type of reaction where two or more reactants combine to form a single product
  11. 18. Has mass and volume
  12. 25. The process in which water vapor or a gas changes to a liquid
  13. 26. Occurs when particles of a solid absorb enough energy to overcome the force of attraction holding them together