Radiation
Name: ______________________ Date: ____________
Write the letter of the matching item on the line next to each number.
1. Gamma
A. A silvery ductile metallic element found primarily in bauxite
2. Paper
B. English chemist and physicist who formulated atomic theory and the law of partial pressures
3. Beta
C. A radioactive gaseous element formed by the disintegration of radium
4. Aluminium
D. The 2nd letter of the Greek alphabet
5. Dose
E. A person's social heritage: previous experience or training
6. Background
F. An intensely radioactive metallic element that occurs in minute amounts in uranium ores
7. Radon
G. Any of several trees producing edible oval fruit having a smooth skin and a single hard stone
8. Rutherford
H. A unit of magnetic field strength equal to one-hundred-thousandth of an oersted
9. Uranium
I. A measured portion of medicine taken at any one time
10. Dalton
J. A heavy toxic silvery-white radioactive metallic element
11. Radium
K. A material made of cellulose pulp derived mainly from wood or rags or certain grasses
12. Plum
L. A unit strength of a radioactive source equal to one million disintegrations per second