The Wonderful World Of Science

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 5. Layer of air around the Earth (10)
  2. 7. Any of the nine large celestial bodies in the solar system that revolve around the sun and shine (plural) (7)
  3. 11. The order of an element in Mendeleyev's table of the elements (12)
  4. 12. Deriving destructive energy from the release of atomic energy (7)
  5. 14. The smallest component of an element having the chemical properties of the element (4)
  6. 16. The logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter (7)

Down

  1. 1. A unit of electrical energy equal to the work done when a current of one ampere passes through (5)
  2. 2. Radioactive ___ of an atomic nucleus that is accompanied by the emission of an ___ particle (10)
  3. 3. A giant planet with a ring of ice particles (7)
  4. 4. A unit of potential equal to the potential difference between two points on a conductor carrying (4)
  5. 6. The smallest planet and the nearest to the sun (7)
  6. 8. Study of the natural world through experiments (7)
  7. 9. An elementary particle with 0 charge and mass about equal to a proton (7)
  8. 10. A stable particle with positive charge equal to the negative charge of an electron (6)
  9. 13. Bottom part something stands on; a safe spot in baseball (4)
  10. 15. How much matter something contains (4)