Across
- 4. horizontal line represents dependent..
- 8. process of atmosphere over a period of time..
- 9. Large pieces shaped weird of Earth's outer layer
- 10. The degree of compactness..
- 12. Earth split into southern and northern..
- 14. Toxic gas of oxygen
- 17. The reason for the seasons is..
- 18. Large gas planet
- 19. The transfer of heat In a pot...
- 20. Has billions of stars..
- 23. The length of earth around the sun..
- 24. Is the portion of life on earth...
- 25. Purposely changed to effect another variable
Down
- 1. The Romains of an organism
- 2. electromagnetic Radiation..
- 3. Region beyond neptune..
- 5. Silicon dioxide
- 6. Energy that can be renewed
- 7. A hill that erupts..
- 11. reaction to form heavier nuclei
- 13. Rock from earth sedimentary surface
- 15. A metal element with the industrial process..
- 16. The time the earth crosses the equator..
- 21. metal glaze
- 22. Continuous physical force