Across
- 5. ... layer is called the crust.
- 6. Most of the earth's surface is covered with it
- 8. Space is not ... but contains gas and dust
- 9. Material of which earth consists the most
- 11. Makes up most of the mass of the earth
- 13. The ... largest planet in the solar system
- 14. Space is literally a ...
- 15. Earth is the ... planet from the sun
Down
- 1. The only non metal in the earth's crust
- 2. Almost half the earth's crust consists of ...
- 3. ... plates drift a few centimeters each year
- 4. The earth is not round but a ...
- 7. A day is actually 4 ... shorter than what we think
- 10. Space contains no ...
- 12. Earth is the only planet to have water in this form