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