Across
- 1. Planet famous for its rings
- 3. Measurement of water vapor in the air
- 6. Type of light that we see
- 8. Stage of star's life when it swells to huge size
- 9. Change from gas to a liquid
- 12. Developed the Law of Gravity
- 13. A gas that traps heat (2 words)
- 16. Hurricanes and tornadoes are examples of ____ pressure storms
- 17. Layer of the atmosphere where weather occurs
- 18. Shape of Earth's orbit around the Sun
- 19. method of energy transfer by motion of fluids
- 22. What molecules do when they are heated (2 words)
- 23. Planet that is closest to the sun
- 24. The Sun will eventually die and become...(2 words)
- 26. How massive stars explosively die
- 27. Planet with a thin atmosphere, red in color
- 28. Type of light with biggest wavelength
- 29. Force that keeps the Moon in orbit around the Earth
Down
- 2. method of energy transfer by electromagnetic waves
- 4. Kepler's _______ Law explains that Mercury orbits fastest
- 5. Solar system model with sun in the center
- 7. the study of light spectra
- 10. He developed geocentric solar system model, used for 1400 years
- 11. winds that blow across Colorado
- 12. Planet that is farthest from the sun
- 13. Scientist who used telescope to investigate the sky
- 14. Water has a high ______ _______ (2 words)
- 15. layer of the atmosphere where the ozone layer is
- 20. Famous scientist for suggesting heliocentrism first
- 21. 5.87 trillion miles
- 25. This effect diverts wind to the right in N. Hemisphere