Nuclear radiation

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 4. A unit of magnetic field strength equal to one-hundred-thousandth of an oersted (5)
  2. 5. Serious disease where cells grow out of control (6)
  3. 9. Exhibiting or caused by ___ (11)
  4. 11. The 1st letter of the Greek ___ (5)
  5. 13. The organic phenomenon of rotting (5)
  6. 14. A heavy toxic silvery-white radioactive metallic element (7)

Down

  1. 1. The 2nd letter of the Greek alphabet (4)
  2. 2. One of two or more atoms with the same atomic number but with different numbers of neutrons (7)
  3. 3. The time required for something to fall to ___ its initial value (8)
  4. 6. Energy that travels in waves or particles (9)
  5. 7. The part of a scene that lies behind objects in the foreground (10)
  6. 8. A source of danger (6)
  7. 10. Lacking any definite plan or order or purpose (6)
  8. 12. To take in, also metaphorically (6)