vocab 2 part 2

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Across
  1. 3. the motion of atoms and molecules that make up matter
  2. 4. the characteristics of a material that describe it how it behaves
  3. 8. the energy of moving partials inside matter
  4. 10. a small space built into bridges or sidewalks that allows material to safely expand or contract
  5. 12. a material that slows down or blocks the movement of heat and electricity
  6. 13. when matter decreases in size
Down
  1. 1. the process of heat moving through direct contact between materials
  2. 2. a rule that says energy cannot be created or destroyed only changed from one form to another
  3. 5. the point where two objects that touch eachother reach the same temperature
  4. 6. how well a surface bounces back heat or light instead of absorbing it
  5. 7. the movement of energy from one object to another
  6. 9. when matter increases in size
  7. 11. a layer of material used prevent heat from escaping or entering
  8. 14. a material like metal that allows heat or electricity to move through it easily