Across
- 1. when can we see a lunar eclipse?
- 2. what is the second largest country in the world?
- 5. what is the smallest continent?
- 8. what is the second most common gas found in the air we breath?
- 9. what is earths core made of?
- 12. how many continents are there?
- 13. how much percent does water cover the earth?
- 14. how long does it take earth to rotate?
Down
- 1. when is earth closest to the sun?
- 3. what is the largest ocean on the earth?
- 4. who was the first person on the moon?
- 6. what is the smallest ocean in the world?
- 7. what is earth tallest mountain?
- 10. how many meteor showers are there in a year?
- 11. how many lunar eclipses are there in a year?