Across
- 3. forceful
- 5. the opposite of patient
- 8. a flammable gas
- 10. extraordinary
- 13. feeling embarrassed
- 14. a person
- 16. a big house
- 19. a very small particle
- 20. the opposite of present
Down
- 1. to annoy
- 2. to think
- 4. something you wear in the fall/winter
- 6. suddenly or forcibly
- 7. on the periodic table
- 9. deeply respectful
- 11. a state in the US
- 12. a moment
- 15. something you do when you're happy
- 17. in truth
- 18. an oxide of two atoms of oxygen