Radon Gas
Name: ______________________ Date: ____________
Write the letter of the matching definition next to each term.
1. alpha
A. The act of subjecting to experimental test in order to determine how well something works
2. beta
B. A radioactive gaseous element formed by the disintegration of radium
3. radiation
C. The 1st letter of the Greek ___
4. radioactive
D. The 2nd letter of the Greek alphabet
5. lung cancer
E. A mechanical system in a building that provides fresh air
6. testing
F. Extremely poisonous or injurious
7. invisible
G. Deriving destructive energy from the release of atomic energy
8. EPA
H. Exhibiting or caused by ___
9. radon
I. Vulnerability to the elements
10. gas
J. Someone regarded as certain to succeed
11. uranium
K. Relating to or conferring immunity
12. exposure
L. State of matter that fills any space, like air
13. monitoring
M. A position on a scale of intensity or amount or quality
14. natural
N. A heavy toxic silvery-white radioactive metallic element
15. deadly
O. Any process in which electrons are added to an atom or ion
16. ventilation
P. Energy that travels in waves or particles
17. level
Q. An independent federal agency established to coordinate programs aimed at reducing pollution
18. nuclear
R. Carcinoma of the ___
19. easy
S. Posing no difficulty
20. reduction
T. The act of observing something
21. resistant
U. Impossible or nearly impossible to see