The Great Inventions of Humanity - Steel
Across
- 1. a naturally occurring solid material from which a metal or valuable mineral can be extracted
- 2. to take something out of another thing
- 4. someone who makes things out of iron
- 8. a tool used to hit objects
- 9. a new process or device created by humans
- 10. hot fluid or semi-fluid material below or within the earth's crust
Down
- 1. something a person has seen, heard, or noticed
- 3. a small round particle of a substance; a drop
- 5. how solid something feels
- 6. not used often
- 7. when someone is in a favorable position compared to another person