Across
- 2. first four planets
- 8. when scientists make carful observations, they construct tentative explanations for those obervsations(hypothesis). These hypothesis’ are tested time and time again. It takes years to become a theory.
- 9. is not a standard process
- 12. the Milky Way galaxy
- 14. this aims at studying earths place in the universe. This looks at the majesty of space and the studying of the universe.
- 15. created the universe
- 20. exploding star
- 21. broken up into two divisions. One division is physical geology which studies earths materials and the internal and external processes create the shape of earths landscape. Historical geology studies earths history.
- 23. earth sciences
- 24. beyond the first four planets
- 25. this theory describes the formation of the solar system. The planets and sun began forming around 5 billion years ago from a large cloud of dust and gasses. As the cloud contracted, it rotated faster and assumed a disk shape. Material that was gravitationally pulled toward the center became the protosun.
Down
- 1. this is the amount of time since the earth was created, which is about 4,6 billion years old. Doesn’t look at time like we do in the form of hours days weeks, but in the form of millions of years.
- 3. 13.7 billion years ago
- 4. this studies oceanography, geology, meteorology, astronomy, and geological time. In other words, it studies the various systems that make up the complex earth. We look for patterns in earth science. This deals with sizes from the subatomic level to planets.
- 5. with the scientific community
- 6. earth science
- 7. needs a question to be raised
- 10. examines the mixture of gases held in earths gravity
- 11. meteroites
- 13. pre-sun
- 16. the application of all sciences
- 17. water planet
- 18. this is not a standard recipe that scientists use. It requires insight and creativity. This method is what scientists use to develop theories and hypothesis. Nebulartheory this theory describes the formation of the solar system. The planets and sun began forming around 5 billion years ago from a large cloud of dust and gasses. As the cloud contracted, it rotated faster and assumed a disk shape. Material that was gravitationally pulled toward the center became the protosun.
- 19. this is a well tested and widely accepted explanation that the scientific community agrees best fits certain observable facts.
- 22. this aims at understanding the oceans. Oceans cover 71 percent of earths surface and contain 97 percent of earths water supply.