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Article #1 About Radiation
Speaking and Writing -3
Dr. Roy
S1180042 Ryoko Aoki
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Tow types of radiation � Non-ionizing radiation is not harmful
(Infrared radiation, radio waves, cellphone radiation and the radiation etc.)
� Ionizing is harmful (X-rays, gamma rays and the alpha or beta etc.)
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Non-ionizing � It dose not break chemical bonds.
� It dose not have significant effects.
� It is not believed to cause cancer.
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Ionizing radiation � It is dangerous.
� It does break chemical bonds.
� It dose cause cancer.
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Radiation In Fukusima � Not emitting gammar or X-irradiation.
� Most of the radioactivity is in the form of radiocesium and radioiodine.
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What makes cesium dangerous? � It is a salt goes everywhere in the body.
� It is absorbed into soft tissues, causing sarcomas.
� It contaminates food, water and milk.
� It gets into the body when contaminate food are ingested.
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What makes iodine dangerous? � Iodine is absorbed in the thyroid gland,
where it can cause tumors.
� It has a half-life of eight days and is most dangerous to children.
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Conclusion � People should knowledge how much does of
radiation are dangerous.
� It is necessary to improve in Fukushima so that doses of radiation should not increase any further.