Across
- 1. created from sediments of other rocks
- 4. people live on this layer
- 5. softest mineral
- 7. transfer of heat through an empty space
- 8. cant be replaced once used
- 10. shiny
- 11. transfer of heat between objects that are directly touching
- 13. energy stored in objects
Down
- 2. used repeatedly and easily replaced
- 3. have a positive charge
- 6. hardest mineral
- 9. negative charge
- 12. energy in motion