Earth and Space Crossword with Extension

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Across
  1. 3. an imaginary line that passes through the Earth's center and the north and sound poles
  2. 5. the effect observed when Earth passes exactly between the Moon and the Sun, casting its shadow on the full Moon
  3. 7. the sphere of the earth that includes the watery part of the earth's surface, including oceans, lakes, and water vapor
  4. 12. the sphere of the earth that includes the layer of air or other gases around earth, held in place by gravity
  5. 13. the sphere of the earth where there are living things
  6. 14. a group of stars in a pattern given a name by people
  7. 17. the curved path of an object in space that is followed by an object around a planet, moon, or star
  8. 18. beyond Earth
  9. 20. the sphere of the earth which includes rocks, minerals, and landforms that shape the earth
Down
  1. 1. a round object that orbits the Sun and does not orbit a planet
  2. 2. the preserved remains of organisms that lived long ago and changed into oil, coal, or natural gas
  3. 4. rain, snow, sleet, or hail that falls from clouds
  4. 6. the visual effect created when the Moon passes exactly between Earth and the Sun
  5. 8. the action of spinning around an axis or center
  6. 9. a dark area or shape that is made when something stands between a light and the surface
  7. 10. an object, such as a moon, that orbits another object, such a planet.
  8. 11. a group of billions of stars. Earth is in the Milky Way galaxy
  9. 15. all the plants and animals that live in a particular area and how they interact with each other and the environment
  10. 16. a natural resource that can replenish itself naturally over time. Air, plants, water, sunlight, and animals are renewable resources.
  11. 19. the movement of one object around another object