Across
- 8. what does caffeine stimulate
- 9. what does caffeine improve
- 11. what age is too young for caffeine
- 12. how many hours does caffeine last
Down
- 1. what issues can caffeine cause
- 2. what food category can coffee be known as
- 3. what is the most common form of caffeine
- 4. what is it made of
- 5. who discovered caffeine
- 6. what country did coffee help go to the Olympics
- 7. what is caffeine
- 10. where was coffee originated