Across
- 2. Putting events in the order in which they happened (not the exact date)
- 3. Water changing from a gas back into a liquid
- 4. A biome that is cold 6 months out of the year, contains coniferous trees
- 6. Coldest land biome, there are no trees
- 8. Water changing from a liquid to a gas
- 9. A huge mass of ice that forms on land
- 10. Long term record of weather patterns in an area
- 12. A biome that receives very little rainfall year round
- 13. The layer of gasses that surround the planet
- 14. A law stating that the bottom layer of rocks is older than the top
- 15. Study of rocks and rock formations
- 16. A substance composed of only one type of atom
Down
- 1. Water falling from the sky, rain, snow sleet or hail
- 5. The exact age of something in years
- 7. Water found underground
- 9. A biome that has grass as the main vegetation
- 11. The layer of the atmosphere that weather occurs in