Across
- 3. - the process of burning something
- 5. - someone who helps you in school
- 6. - a Russian satellite
- 8. - a biography written from personal knowledge
- 10. - the round spout at the end of a pipe
- 12. - a school subject that involves numbers
- 13. - helped teach Homer about rockets
- 14. - region of the atmosphere
Down
- 1. - a type of school subject that studies the physical and natural world
- 2. - the name of a character off of the Simpsons
- 4. - involved with NASA
- 6. - something that orbits space
- 7. - a material used for research or literature
- 9. - moves around, pertains to space
- 11. - a type of jet propulsion device
- 12. - a place where you work that relates with extracting coal or other minerals