Across
- 1. What is the ancient furnace called made with heat-resistant walls made of earth. clay or stone?
- 5. Within the intense heat and pressure of these massive cores, bonding together in a process called what?
- 7. In the process of smelting iron, what is left behind that and is able to weaken metals?
- 12. Whats swirly around the nucleus in a cloud?
- 14. In order to free copper from oxygen, it requires another Ingredient called?
- 15. What metal contains 13 electrons, 23 protons, and 14 neutrons?
- 17. What metal did they need to leave the stone age behind that contains 29 electrons, 29 protons, and 35 neutrons?
- 18. Which metal transformed life on earth, through its beauty, even fortune hunters would die for?
Down
- 1. What is the perfect metal to forge a bell?
- 2. What can extreme temperatures make?
- 3. What superseded of the Bloomery?
- 4. The combination of iron and carbon make what?
- 6. Nova Once Iron is form in the core and no more available energy for fusion and those massive stars exploded, what does it create?
- 8. What is inside atoms that's filled with positively charged protons along with neutrons that have no charge at all?
- 9. What is steel that contains a rare element, a soft whiteish-grey metal?
- 10. What was probably the first mineral that humans used to to extract copper metals?
- 11. Stars At the end of Super Nova explosions, new stars are formed called?
- 13. What metal contains 26 electrons, 26 protons, and 30 neutrons?
- 14. After burning Malachite power, making it turn green to black, what does it make?
- 16. What is the largest group of the periodic table?