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15 cards from this deck
They pass through the human body easily
High-energy radiation damages and kills cancer cells
Kill all germs and bacteria to sterilise surgical instruments
Works on plastic that would melt if heated
Radioactive substance injected to detect cancer in body
Cancer cells absorb more tracer than healthy cells
Kill harmful bacteria to make food last longer
No, food does not become radioactive
Alpha particles
Americium-241
Very short range, easily stopped by smoke particles
Beta particles
Thicker paper absorbs more, fewer particles reach detector
Can't penetrate paper at all
Pass through paper too easily to detect small changes
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