Across
- 2. Waves Energy that can travel through space
- 3. Wobbling of earth around the precessional axis
- 6. Movement of an object around another object
- 8. Heating Unequal heating across earths surface and when combined with rotation it drives earth weather
- 10. Wobble in Earth's rotational axis
- 11. Energy from the sun
- 17. model of solar system where earth is at the center
- 18. Path of an object as it revolves around object space
- 19. Process of how plants use light energy to convert water and carbon dioxide into oxygen and sugars
Down
- 1. model of solar system where sun is at the center
- 4. Splitting of an atomic nucleas to release energy
- 5. the process of burning something
- 7. The center of mass of two or more bodies orbiting around each other
- 9. Law states that square ratio of periods of any two planets is eaqual to cube of the ratio of average distance
- 12. Imaginary line that passes through Earths center and the poles
- 13. Creation of energy by joining the nuclei of two hydrogen atoms to form helium
- 14. Spinning of earth on its axis
- 15. Law that states that planets moves around its orbit, it sweeps out equal area and time.
- 16. Law that states planets move in an elliptical path with sun at focus