Astronomy and Chemistry Word Search

1234567891011121314
Across
  1. 4. An imaginary line dividing the Earth into northern and southern halves
  2. 6. A substance that can wear away or destroy materials
  3. 7. A substance that is sour and can react with metals
  4. 11. A measure of how hot or cold something is
  5. 13. When one celestial body moves into the shadow of another
  6. 14. The path one object takes around another in space
Down
  1. 1. The movement of one object around another in a circular path
  2. 2. When day and night are nearly the same length
  3. 3. A substance that feels slippery and tastes bitter
  4. 5. The spinning of an object on its axis
  5. 8. reaction A process where substances change to form new substances
  6. 9. Half of the Earth, divided by the equator
  7. 10. Neither an acid nor a base
  8. 12. tilt The angle at which a planet's axis is tilted