Across
- 3. ______ brightness is how bright a star really is
- 6. amount of matter in a given space
- 7. amount of space something occupies
- 9. AU is distance between ___ and Sun
- 11. ______ brightness is how bright a star looks from Earth
- 12. force of gravity
- 14. when the north has fall, the south has
- 16. distance between earth and sun
- 21. distance light travels in one year
- 22. type of eclipse during full moon
- 23. causes tides
- 26. elements in a group share similar _____.
- 27. negatively charged subatomic particle
- 28. amount of matter in a substance
Down
- 1. stars with this color are the hottest
- 2. stars with this color are the coolest
- 4. dense things do ____.
- 5. contains all of existence; made of billions of galaxies
- 8. dense things do not ____ .
- 10. weak tide when Earth, Moon, and Sun are at L shape
- 11. smallest unit of matter
- 12. part of lunar cycle when light grows more visible
- 13. billions of stars make a
- 14. source of light in solar system
- 15. subatomic particle with no charge
- 17. part of lunar cycle when light fades away
- 18. pure substance that makes up living and nonliving things
- 19. unit for amount of matter in a substance
- 20. mass is 8g; volume is 2 mL; density is ____ g/mL
- 24. unit for weight
- 25. center of an atom
- 26. positively charged subatomic particle in nucleus
- 29. type of eclipse during new moon