Across
- 5. a material like metal witch lets heat or electricity travel through it easily
- 8. the movement of one object to anouther
- 12. arule that can not be created or destroyed
- 13. a small space built of bridges or sidewalks
- 14. the motion of atoms and molecules
Down
- 1. the point where to objects tough eachother
- 2. the energy of moving partials inside matter
- 3. when matter increases in size
- 4. when matter decreases in size
- 6. the oppsit of conductor
- 7. how well a surface bounces back heat or light
- 9. a material use to prevent heat from escapeing or entering
- 10. the charteristics of matter
- 11. the process of heat moving through direct contactc