Radioactivity
Name: ______________________ Date: ____________
Write the letter of the matching definition next to each term.
1. alpha
A. Of or relating to or caused by ___
2. paper
B. The 1st letter of the Greek ___
3. field
C. The 2nd letter of the Greek alphabet
4. beta
D. A source of danger
5. metal
E. Rolling swells on the sea
6. gamma
F. A unit of magnetic field strength equal to one-hundred-thousandth of an oersted
7. lead
G. Highly or violently reactive
8. nucleus
H. A body having finite mass and internal structure but negligible dimensions (plural)
9. air
I. To prevent the occurrence of
10. unstable
J. Any of several chemical elements that are usually shiny solids that conduct heat or electricity
11. radioactive
K. Open area of grass or crops
12. particles
L. To pass into or through, often by overcoming resistance
13. hazard
M. Exhibiting or caused by ___
14. waves
N. Center of an atom or a cell
15. deflect
O. A soft heavy toxic malleable metallic element
16. penetrate
P. A mixture of gases required for breathing
17. magnetic
Q. A material made of cellulose pulp derived mainly from wood or rags or certain grasses