Across
- 5. being curved
- 7. scientific study of matter and energy
- 10. first person to stand on moon
- 11. expectation or prediction
- 13. organization that has a particular goal
Down
- 1. story real person's life by that person
- 2. greater degree than normal
- 3. artificial rather than natural
- 4. gas comes out of an engine as a waste product
- 6. made up of two or more different things
- 8. plan or drawing before object is built
- 9. first person to orbit earth
- 12. something that caught fire or exploded
