Across
- 2. is the star that lights our solar system
- 6. is the smallest particle that exists
- 7. without that force we would float around
- 8. the galaxy where there is our solar system
- 10. apart the Earth in the solar system there are another 7
- 13. an example of it is the Milky Way
- 14. everything that stands around us is made of it
- 15. volume multiplied by wheight
Down
- 1. is a method to make energy using two atoms that collide togheter
- 3. mass divided by wheight
- 4. Dal Bo has studied that subject at university
- 5. is the tendency of an object in motion to remain in motion
- 9. is the hottest state of matter
- 11. 299792458 m/s is the speed which it travel
- 12. the earth, the sun and other 7 planets exist in it