Across
- 3. Shape of the Earth trajectory around the Sun.
- 5. Amount of matter measured on kilograms
- 7. Force from the Earth to each body on its surface
- 12. Movement of a planet around the Sun.
- 13. current I in international system
- 15. International system of units
- 17. 23.74 degrees tilt Earth axis.
- 18. unit to measure the light intensity in metric system.
- 19. Change of the velocity over time.
Down
- 1. Change of the position over time
- 2. Time unit in the metric system.
- 4. G
- 6. Force of attraction between masses.
- 8. Amount.
- 9. Responsible for the change of the north star every 26000 years.
- 10. Temperature unit in international system
- 11. Motion of the Earth on its axis.
- 14. Dimension, [L]
- 16. Astronomical unit
- 19. unit to measure current in International system.
- 20. Path of the Sun.