Across
- 3. a useful tool, usually a small one that is portable
- 6. adjective that describes something that helps us to do a job more easily
- 7. less difficult
- 11. a new creation, a totally new idea
- 12. an improvement to an existing invention
- 13. a person who creates new gadgets, tools, machines or systems
- 14. a boat with an engine that runs on steam power
- 15. an ancient invention used to move heavy objects and people much more easily
- 16. a device that powers electrical items so they don't need to plugged in all the time
Down
- 1. a certificate that protects an inventor from having their idea stolen by others
- 2. to find the answer to a problem
- 4. an invention that helps us communicate with other people very far away
- 5. a plan for how to make something
- 8. (verb) to make improvements to an existing invention
- 9. the process of trying, failing and trying again until you find the solution
- 10. the steps you go through to complete a project