Across
- 5. it's not an invention but people discovered how to use this
- 7. you need to find a solution for this
- 9. you need to have this to invent new things
- 11. something people created to make our lives easier
- 12. The wheel and the ______ ____ help to make the world go round!
Down
- 1. when you accomplish your goal
- 2. you need this to run many things
- 3. when you didn't accomplish your goal
- 4. he invented the Sticky notes
- 6. a great invention
- 8. the invention which helps the blind people to read
- 10. Frank Epperson accidentally invented this.