Unit 2 Vocabulary - Koz

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Across
  1. 3. a calculation method that uses conversion factors to change from one unit to another
  2. 5. a substance in which all of the particles are identical
  3. 7. a description of how a substance can undergo a change in identity due to the rearrangement of atoms
  4. 10. The ratio of mass to volume which indicates the spacing of the particles in the substance
  5. 11. solid, liquid, or gas
  6. 13. two or more different elements that are chemically bonded together.
  7. 14. The amount of space occupied by an object
  8. 15. a blending of two or more substances in the same container
  9. 20. numbers written in the form Mx10^n where the factor M is a number greater than or equal to 1 but less than 10 and n is a whole number
  10. 21. a diagram that shows the arrangement of atoms in a substance
  11. 22. a description of how a substance appears or changes in appearance but but not in identity
Down
  1. 1. a fraction created from two measurements that are equal to each other which is used to convert from one unit to another
  2. 2. state of matter where particles have so much energy they spread apart and fill the container
  3. 4. anything that has mass and takes up space
  4. 6. a substance containing only one type of atom
  5. 8. How closely a set of repeated measurements are to each other
  6. 9. A value calculated by subtracting the experimental value from the accepted value, dividing the difference by the accepted value, and then multiplying by 100
  7. 12. How close a measurement is to the true/accepted value
  8. 16. state of matter where the particles have enough energy to slide past each other
  9. 17. - International system of measurement The measurement system accepted worldwide. Also known as the metric system.
  10. 18. state of matter where the particles have low energy and are spaced closely together
  11. 19. the amount of matter in an object