Across
- 2. CAN BE MADE UP OF ALPHA, BETA AND GAMMA RAYS.
- 4. NATURAL RADIATION FROM THE SUN.
- 5. USED TO DETECT FRACTURES IN BONES.
- 7. AN INSTRUMENT USED TO DETECT RADIATION.
- 10. A FORM OF RADIATIONWITH A POSITIVE ELECTRICAL CHARGE.
Down
- 1. NEGATIVELY CHARGED ELECTRONS
- 3. MAY BE CAUSED BY RADIATIONAFFECTING DNA.
- 6. VERY HIGH FREQUENCY E.M. RADIATION THAT CAN PENETRATE LEAD AND CONCRETE.
- 8. USED TO MEASURE THE AGE OF OLD THINGS (ARTEFACTS).
- 9. A RADIOACTIVE ELEMENT.