Across
- 3. opposed to an heavy mass
- 6. activity related to the processing of materials and manufacture of goods in factories
- 8. able to be maintained at a certain level
- 10. the process of converting waste into reusable material
- 12. its periodic number is 1
- 13. related to heat
- 14. the ability to move freely and easily
- 15. its periodic number is 6
Down
- 1. used to produce power or heat
- 2. container used to store electrical energy
- 4. energy used to charge your phone
- 5. imitation of a process or situation
- 7. the common color associated to clean energy
- 9. a system conveying something from place to place
- 11. an object used to transport something