Across
- 1. what actually happens
- 5. the actions of people and communities
- 6. natural materials used by humans
- 7. what is planed to happen
- 9. advances in technology holding events
Down
- 2. a tool process or system for solving problems
- 3. systematic process of solving problems
- 4. substances used to develop things
- 5. the study of phenomena
- 8. equipment to extend our senses and abilities