Across
- 3. has value and should be treated with care
- 6. someone who shows no concern for other people and is cruel
- 7. to damage a place while looking for something
- 9. Something that is very large
- 10. to catch fire or explode
- 16. the gas that comes out of the engine as waste
- 18. the scientific study of matter and energy
- 20. what the surface of the land looks like
- 21. one thing changes to another
- 22. to go up
- 23. not doing well
- 25. to look like
Down
- 1. the outer edges of a town or city
- 2. to move into position to be used
- 4. people in charge that have power to make decisions
- 5. the way that tools are made of metal
- 8. a rule that explains how something works
- 11. worked on by multiple countries
- 12. people who navigate ships
- 13. beyond Earth and its atmosphere
- 14. very large area of land, sea, or sky
- 15. artificially made rather than natural
- 17. sent from one place to another
- 19. an organization with a focus or goal
- 24. made up of two or more different things