Chemical Reactions

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Across
  1. 4. to form a solution by mixing evenly
  2. 9. smallest parts that make up matter
  3. 10. Change A change that occurs when one or more substances change into entirely new substances with different properties.
  4. 11. particles vibrate, move, and slide past each other.
  5. 12. how much space an object or substance takes up (its volume) in relation to the amount of matter in that object or substance (its mass)
  6. 15. evidence; information gathered from observations
  7. 16. the substances you start with in a chemical reaction.
  8. 18. incapable of being dissolved
  9. 19. A group of atoms bonded together
  10. 21. the steps taken to investigate a fair test.
  11. 22. particles do not move around.
  12. 25. able to dissolve
  13. 26. of conservation of mass Matter is neither created nor destroyed
  14. 27. something that repeats itself and can be predicted.
Down
  1. 1. A combination of two or more substances that are not chemically combined
  2. 2. The particles are close together.
  3. 3. how liquids flow differently
  4. 5. system A system in which no matter is allowed to enter or leave
  5. 6. color,odor, density, melting point, viscosity, solubility
  6. 7. Change a change of matter from one form to another without a change in chemical properties
  7. 8. the amount of matter in an object
  8. 13. system matter can enter from or escape to the surroundings
  9. 14. characteristics of substances that don't change
  10. 17. The particles are tightly packed.
  11. 20. the new substance that forms in a chemical reaction
  12. 23. Particles are well separated with no regular arrangement. Particles move freely at high speeds.
  13. 24. point The temperature at which a solid becomes a liquid