Lesson 1

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Across
  1. 4. the building block of matter
  2. 7. a substance made of two or more different atoms
  3. 10. Over 100 existing elements are listed and classified on the
  4. 11. a substance that made of just one type of atom
  5. 12. matter that have definite shape and volume
  6. 13. matter with no definite shape and no definite volume
Down
  1. 1. stored energy due to to interaction between objects
  2. 2. mixtures that are uniform
  3. 3. mixtures that are non-uniform
  4. 5. the motion of all particles and the distance and attraction between them
  5. 6. matter that have definite volume but no definite shape
  6. 8. the measure of average kinetic energy of the particle
  7. 9. the energy an object have due to its motion