Unit 1 Chemistry

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Across
  1. 2. A measure of the average kinetic energy of the particles in a substance
  2. 4. A substance's characteristics that determine how it reacts with other substances
  3. 8. State of matter without fixed shape or volume
  4. 9. A type of reaction that absorbs heat
  5. 13. Substances that are consumed during a chemical reaction
  6. 16. An explanation for some aspect of the natural world that has been well supported
  7. 17. A type of reaction that releases heat
  8. 18. An approach to investigate something using multiple steps
  9. 20. State of matter with fixed molecules
  10. 21. A statement that describes something observable in nature that is true
  11. 22. A possible explanation for something that can be tested
  12. 26. Substances formed when two or more elements chemically bond together
  13. 27. Pure substances consisting of only one type of atom
  14. 28. Anything that has mass and occupies space
  15. 30. Solid that forms when two substances mix
  16. 31. State of matter with volume but no fixed shape
  17. 32. A substance's characteristics that can be observed without changing it's chemical identity
Down
  1. 1. Substances produced as a result of a chemical reaction
  2. 3. A change when only the appearance of a substance is changed
  3. 5. The energy of motion
  4. 6. A factor that can change in an experiment
  5. 7. The capacity to do work or produce heat
  6. 10. A process in which substances are transformed
  7. 11. A curve showing the effect of heating or cooling on a substance
  8. 12. Substances with a direct molecular composition that are produced by or used in a chemical process
  9. 14. The smallest unit of an element, consisting of protons, neutrons, and electrons
  10. 15. The form of energy that flows between substances due to a temperature difference
  11. 19. A type of mixture where components are not uniformly distributed
  12. 23. A type of Mixture where the composition is uniform throughout
  13. 24. The branch of science that studies composition, structure, and properties of substances
  14. 25. The theoretical temperature at which all particle motion stops
  15. 29. A combination of two or more substances that are not chemically bonded