Chapter 1: introduction to Earth

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Across
  1. 2. A region by which the Degrees of Latitude is measured 90 Degrees South from the Equator.
  2. 3. Imaginary lines extending from pole to pole.
  3. 4. A description of location expressed as an angle North or South of the equator.
  4. 11. The region of Earth where all life exists (the area of our planet where organisms live).
  5. 14. A line that connects all points of the same latitude.
  6. 17. Occurs approximately on September 22nd.
  7. 21. The day when the earth is closest to the Sun for which it occurs every January 3rd annually.
  8. 22. Occurs approximately on December 21st.
  9. 23. The line of Longitude that is defined to be 0 degrees from which all other lines of Longitude are measured, running from the North Pole to the South Pole, and passes through Greenwhich, London, England.
  10. 24. A region by which the Degrees of Latitude is measured 66.5 Degrees North from the Equator.
Down
  1. 1. Rocky worlds that have deep atmospheres, frozen interiors, and does not have solid surface but instead are composed of helium and hydrogen. The four outer jovian planets in our Solar System are: Jupiter, Saturn, Neptune, and Uranus. AKA: Gas Planets.
  2. 5. A region by which the Degrees of Latitude is measured 23.5 Degrees South from the Equator.
  3. 6. A region by which the Degrees of Latitude is measured 90 Degrees North from the Equator.
  4. 7. A mix of gases that surrounds the Earth's atmosphere.
  5. 8. Occurs approximately on June 21st.
  6. 9. The part of Earth's surface that is classified by the presence of frozen water (ice).
  7. 10. A region by which the Degrees of Latitude is measured 23.5 Degrees North from the Equator.
  8. 12. The part of Earth's surface that contains all of Earth's water in all forms.
  9. 13. Rocky worlds that are mostly smaller, denser, and composed of mineral matter, rock, silicate, water, and/or carbon with small atmospheres. The four inner terrestrial planets in our Solar System are: Mercury, Venus, Earth, and Mars.
  10. 15. The rigid outer layer of Earth which composes all the Earth's rocks and minerals.
  11. 16. A description of location expressed as an angle East or West of the equator.
  12. 18. A region by which the Degrees of Latitude is measured 66.5 Degrees South from the Equator.
  13. 19. The day when the earth is farthest from the Sun for which it occurs every July 4th annually.
  14. 20. Occurs approximately on March 20th.