Across
- 4. Produces P waves, S waves, and Surface waves
- 5. A general statement that has not been proven yet
- 7. The movement of broken down rock
- 8. Layer of the Earth that is an actual liquid
- 10. A star dies when it can no longer perform this
- 14. The universe has been _________
- 17. Happened 13.8 billion years ago
- 18. Feedback loops often impact this
- 19. 75% of the universes matter
- 20. Super continent that existed before the 7 continents
Down
- 1. The breaking down of rock
- 2. African American mathematician who worked for NASA
- 3. What crust is more dense
- 6. Every star begins from a ______
- 9. Light from these galaxies is shifted to longer wavelengths
- 11. What is the hottest colored star
- 12. What is the coolest colored star
- 13. Layer of the Earth that acts like a liquid
- 15. A group of letters;was found in televison and radios
- 16. The name of the graph that classifies stars