Earth and Space Science Vocabulary

1234567891011121314
Across
  1. 3. Any circle drawn around Earth divides it into two equal halves
  2. 6. a natural satellite which orbits the Earth and is about one quarter the size of Earth
  3. 9. it is the path the Earth takes around the sun. The Earth makes an elliptical (almost circular) shape orbit.
  4. 10. The curved path of a celestial object or spacecraft around a moon, planet, or star
  5. 11. the Earth moving around the sun; this takes Earth 365 ¼ days (one year) to complete
  6. 13. Earth’s closest star and the center of our Solar System
  7. 14. A celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classed as such.
Down
  1. 1. A small rocky body orbiting the sun
  2. 2. An object consisting of a nucleus of ice and dust, may have a tail.
  3. 4. the Earth spinning around its axis; this takes Earth 24 hours (1 day) to complete
  4. 5. The collection of eight planets and their moons in the orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets.
  5. 7. an imaginary line that passes through the North and South poles
  6. 8. A small body of matter from outer space that enters the earth’s atmosphere , becoming incandescent as a result of friction and appearing as a streak of light.
  7. 12. the way in which the Earth slants on its axis