Amelia

123456789101112131415
Across
  1. 5. substance made up of atoms with the same identity
  2. 7. an object's distance and direction from a reference point
  3. 8. energy contained with a system responsible for its temperature
  4. 9. the total distance moved
  5. 10. an increase in a material's volume when the temperature is increased
  6. 12. atoms of two or more elements combined
  7. 13. type of matter with a fixed composition, cannot be separated by physical means
  8. 14. measure of average kinetic energy of the particles in a material
Down
  1. 1. the difference between the starting and final position
  2. 2. transfer of thermal energy from a region of higher temperature to a region of a lower temperature
  3. 3. the process of changing direction
  4. 4. the starting point
  5. 6. the number of protons and electrons
  6. 11. the number of protons and the number of neutrons
  7. 15. material made up of two or more substances, can be separated by physical means