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6 Cards in this Set
- Front
- Back
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Insulating materials can be given an electrostatic charge. |
Charged objects can attract uncharged objects. |
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Nuclear fusion, small nuclei join to form larger ones. |
Nuclear fusion reaction releases energy. |
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Isotopes of hydroge in the sun combine to form helium, the energy released is huge. |
Only at very high level temperatures and pressure are nuclei moving fast enough to overcome repulsion of protons |
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Always exposed to ionising radiation / background radiation. |
Radon is a radioactive gas that is produced when uranium in rock decays. |
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Always exposed to ionising radiation / background radiation. |
Radon is a radioactive gas that is produced when uranium in rock decays. |
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Radiaton uses in Hospitals: Kill cancer cells - gamma rays Sterilize surgical instruments - gamma rays, plastic instruments. |
Diagnose cancer - a tracer solution containing gamma radiation |
