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