Across
- 2. unit for amount of matter in a substance
- 3. part of lunar cycle when light grows more visible
- 6. stars with this color are the hottest
- 7. dense things do not ____ .
- 10. smallest unit of matter
- 12. lightning
- 18. elements in a group share similar _____.
- 19. Saturn, Uranus, Jupiter and _____ and gas giants
- 20. type of eclipse during new moon
- 21. type of eclipse during full moon
- 22. high energy electromagnetic radiation
- 24. dense things do ____.
- 25. amount of space something occupies
- 28. stars with this color are the coolest
- 31. amount of matter in a given space
- 34. model of solar system with sun in the middle
- 35. dark, cool area on Sun
- 36. similar to metals, but not quite
- 38. extra-large stars are called _______
- 39. AU is distance between ___ and Sun
- 40. positively charged subatomic particle in nucleus
- 41. causes tides
Down
- 1. distance light travels in one year
- 4. weak tide when Earth, Moon, and Sun are at L shape
- 5. solar ____ is a loopy structure extending from Sun
- 8. type of EM radiation that is visible
- 9. part of lunar cycle when light fades away
- 11. model of solar system with earth in the middle
- 13. average stars on HR Diagram are ____ (2 words together)
- 14. when the north has fall, the south has
- 15. unit for weight
- 16. billions of stars make a
- 17. contains all of existence; made of billions of galaxies
- 23. Rocky planets are Earth, Venus, _______ and Mercury
- 26. pure substance that makes up living and nonliving things
- 27. mass is 8g; volume is 2 mL; density is ____ g/mL
- 29. force of gravity
- 30. Venus is _____ than Mercury because of its thick atmosphere
- 32. shortest wavelength of visible light
- 33. amount of matter in a substance
- 35. source of light in solar system
- 37. negatively charged subatomic particle