Across
- 2. the quality of caring for creation
- 5. the ability of some minerals to break along planes
- 7. the number which reflects the number of protons an atom has
- 10. this test involves an unglazed porcelain plate
- 13. positive charge
- 14. no charge
- 16. the increase in the temperature of the Earth's atmosphere
- 17. the basic unit of matter
- 18. how light interacts with a mineral
- 19. a bond where electrons are given or accepted
Down
- 1. a natural resource which can be replaced
- 3. the theory which states the crust of the Earth moves around
- 4. a natural resource which cannot be replaced
- 6. another name for an atom
- 8. a big scientific idea which is supported by many facts
- 9. a bond which involves sharing electrons
- 11. rocks are made up of one or more of these
- 12. the measurement of how closely packed atoms are in a substance
- 15. negative charge