Properties of Matter

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Across
  1. 4. The substances in a compound are always joined in a ___________ proportion.
  2. 7. check this property by scratching one material with another
  3. 8. a separation technique you would use to separate sand from water
  4. 9. Whether an object sinks or floats depends on its _____________.
  5. 11. Theory the theory that states that all particles are in constant motion
  6. 14. a mixture who parts are not easily seen or separated
  7. 16. Density = Mass รท _____________
  8. 17. Syrup has a __________ viscosity.
  9. 18. evaporation and boiling are both part of this phase change
  10. 20. a solid that may form during a chemical reaction
  11. 22. Mixtures are classified as solution, suspension, or colloid based on the size of the ___________ particles.
Down
  1. 1. The particles in a solid ___________ in place.
  2. 2. the smallest particles that make up an element
  3. 3. a pure substance made of 2 or more substances in a fixed proportion
  4. 5. Reactivity and flammability are examples of a ____________ change.
  5. 6. dry ice changes from a solid directly to a gas in this phase change
  6. 10. Both the shape and volume of a __________ are definite.
  7. 12. the ability to allow heat to flow
  8. 13. gas changing to a liquid
  9. 15. A ___________ property can be observed or measured without changing the composition of the substance.
  10. 19. orderly The arrangement of molecules becomes _____ _______ as a liquid changes to a solid.
  11. 21. substance that cannot be broken down into smaller substance
  12. 23. Particles are free to move randomly and quickly in straight lines in this state of matter.