Across
- 2. what is the hardest mineral
- 3. who is the current US president
- 5. what is the most purchased video game in the world
- 7. what element has the atomic mass of one
- 9. what continent contains france
- 12. what arctic whale has a horn/tooth on its forehead
- 13. which planet is closest to the sun
- 14. what is the biggest country in the world
- 16. who is the first US president
- 17. what is the most watched/played sport in the world
Down
- 1. how many elements are there in the periodic table
- 4. what video game has the most players
- 6. which planet is farthest from the sun
- 8. what is the most populated city in the US
- 10. how many states are there in the US
- 11. all living beings require this substance
- 15. what is the most populated country in the world