Across
- 3. to completely change something, usually in a positive way.
- 4. to make a guess about the amount, size, or value of something based on information you have.
- 6. all human beings; the human race.
- 7. to move forward or make progress in something.
- 9. the act of finding or learning something new.
- 10. to develop or change slowly over time.
- 12. to take the place of something or someone.
- 13. to move or change from one position, idea, or situation to another.
- 14. to start or introduce something new, such as a product or project.
Down
- 1. to give or add something (such as time, money, or effort) to help a group or cause.
- 2. a new idea, method, or invention that improves something.
- 5. the careful study of something to understand it better or find important details.
- 7. to change something slightly so that it works better or fits a situation.
- 8. to make a small change to something.
- 11. an important discovery or development that improves a situation or helps solve a problem.