Across
- 2. when two plates come together
- 3. galaxy that includes our solar system
- 7. most stars belong here
- 11. galaxy with no structure
- 13. They were once a different type of rock and over time turn into other types of rocks
- 15. weather over a long period of time
- 17. particles that form sedimentary rocks
- 19. most widely accepted model in the field of cosmogony to explain the formation and evolution of the Solar System
- 21. look up, we see them everywhere
- 23. removes soil and rock from earths surface
- 25. star at the center of the solar system
- 26. we live on this planet
- 28. water running off the land/surface
- 29. describe how long the wave is
- 30. The prevailing cosmological model explaining the existence of the observable universe
Down
- 1. the practice that tells us about the galaxys, plantes, etc
- 4. magma but once it has reached the outside world
- 5. Also known as H2O
- 6. two plates move away from each other
- 8. earths ozone layer
- 9. When the continents were all together
- 10. the layers of gases surrounding a planet or other celestial body
- 12. a dying star in the final stages of evolution the change in the characteristics of a species over several generations
- 14. comes from melted rock material
- 16. hot material under the surface of the earth
- 18. The 3rd layer of the atmosphere
- 20. they are all around us, little clusters on the floor, and sometimes huge
- 22. The whole cosmic system of matter and energy of which Earth, and therefore the human race, is a part
- 24. containment into the natural environment
- 27. transmission of energy in the form of waves or particles through space or through a material medium