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ID number:708879
 
Author:
Evaluation:
Published: 04.04.2006.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Not used
Extract

Neredzams starojums, bez ārējas iedarbības. Dabā sastopami vairāki tūkstoši radioaktīvu vielu. Pirmie radioaktivitāti atklāja franču zinātnieki Pjērs un Marija Kirī. Veicot eksperimentus ar radioaktīvajām vielām un to magnētiskajiem laukiem atklāja α; β; γ starojumu.
Man radioaktīvais starojums vairāk asociējas ar rentgenstariem, jo ar to ir bijusi lielāka saskare.…

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