Uses and Dangers of Radioactivity Key Question –How can we make use of radioactivity and what problems are there?

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Presentation transcript:

Uses and Dangers of Radioactivity Key Question –How can we make use of radioactivity and what problems are there?

Radioactive tracer in medicine to find brain tumours

BREAK IN PIPE UNDERGROUND γ SOURCE USED AS RADIATION WILL NOT BE ABSORBED BY EARTH Industrial Radioactive tracer: finding break in underground pipe RADIATION/FAULT IN PIPE DETECTED

STERILIZATION OF SURGICAL EQUIPMENT AND FRESH FOOD

controlRadiation detector Radiation source β Rollers to control thickness of paper CONTROL THICKNESS OF PAPER ( β SOURCE) 200 COUNTS/SECOND CORRECT THICKNESS PAPER TO THICK PAPER TOO THICK 150 COUNTS/SECOND PAPER TO THIN 250 COUNTS/SECOND

control Radiation detector Radiation source γ Rollers to control thickness of paper CONTROL THICKNESS OF ALUMINIUM/STEEL ( γ SOURCE) 200 COUNTS/SECOND CORRECT THICKNESS PAPER TO THICK TOO THICK 150 COUNTS/SECOND TO THIN 250 COUNTS/SECOND

Your task Produce a leaflet outlining the uses that have been described above. You may use the ‘Physics for you’ book to help you Include as much scientific knowledge as possible

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