Impact Earth Solar System Crossword Puzzle

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Across
  1. 3. The inner layer of the sun's atmosphere that gives off its visible light.
  2. 4. small round bodies that orbit the sun but which have no clears the area around their orbits of other orbiting bodies
  3. 7. The outer layer of the sun's atmosphere.
  4. 9. the largest planet and the 5th from the sun
  5. 10. seventh planet from the Sun; is large and gaseous, has a distinct bluish-green color, and rotates on an axis nearly parallel to the plane of its orbit
  6. 11. the 4th planet from the sun
  7. 12. A model of the solar system in which Earth and the other planets revolve around the sun.
  8. 13. a nuclear reaction in which nuclei combine to form more massive nuclei with the simultaneous release of energy.
  9. 16. A loose collection of ice, dust, and a small rocky particles, typically with a long, narrow orbit.
  10. 17. The middle layer of the sun's atmosphere.
  11. 21. Relatively small and dense planets with rocky surfaces, crust, mantle, iron core, few moons, and no rings.
  12. 24. A region of very tightly packed gas in the sun's interior where energy is transferred mainly in the form of light.
  13. 26. A dark area of gas on the sun's surface that is cooler than surrounding gases.
  14. 28. The outermost layer of the sun's interior.
  15. 32. the second smallest planet and the farthest known from the sun
  16. 33. The solid inner core of a comet.
  17. 35. the second nearest planet to the sun
Down
  1. 1. The fuzzy outer layer of a comet.
  2. 2. The trapping of heat by a planet's atmosphere.
  3. 5. A model of the universe in which Earth is at the center of the revolving planets and stars.
  4. 6. The region of the solar system, between the orbits of Mars and Jupiter, where many asteroids are found.
  5. 8. The name often given to the first four outer planets: Jupiter, Saturn, Uranus, and Neptune.
  6. 11. the smallest planet and the nearest to the sun
  7. 14. The central region of the sun, where nuclear fission takes place.
  8. 15. A streak of light in the sky produced by the burning of a meteoroid in Earth's atmosphere.
  9. 18. A thin disk of small ice and rock particles surrounding a planet
  10. 19. A chunk of rock or dust in space.
  11. 20. A stream of electrically charged particles that emanate from our solar system.
  12. 22. oval shaped orbits
  13. 23. An oval shape, which may be elongated or nearly circular; the shape of the planet's orbits.
  14. 25. A doughnut-shaped region that stretches from beyond Neptune's orbit to about 100 times Earth's distance from the sun.
  15. 27. A meteoroid that passes through the atmosphere and hits Earth's atmosphere.
  16. 29. large, gaseous planet with rings, dark-colored storms, and eight moons; has a distinctive blue-green color
  17. 30. A spherical region of comets that surrounds the solar system.
  18. 31. the 3rd planet from the sun
  19. 34. a giant planet which is surrounded by three planar concentric rings of ice particles