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