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Is Radioactivity always harmful for humans?

ViSH

Type	Link
Description	This Inquiry Learning Space aims at understanding the different types of radioactivity particles and the basics about radioactivity decay. Factors that influence the radioactivity intensity (distance from radioactivity source, exposure time and presence of absorbers) will also be discussed. The Radioactivity Lab examines the intensity of radiation over distance, demonstrating the effec...
Tags	alpha beta gamma particles radioactivity decay
Author	Danilo Zutin
Linked by	ViSH

Language	English
Created at	August 05, 2015 12:58
Updated at	September 14, 2016 13:40

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• Type: Link
• Title: Is Radioactivity always harmful for humans?
• Description: This Inquiry Learning Space aims at understanding the different types of radioactivity particles and the basics about radioactivity decay. Factors that influence the radioactivity intensity (distance from radioactivity source, exposure time and presence of absorbers) will also be discussed. The Radioactivity Lab examines the intensity of radiation over distance, demonstrating the effects of the inverse square law. Students investigate the intensity of radiation being emitted from a radioactive Strontium-90 source, by setting distances at which a Geiger counter measures radiation, and collecting radioactive particle counts at each of these distances. A table holding the radioactive source is rotated until the source is aligned with a hole in a thick lead plate. The head holding the Geiger-Muller tube is moved to these distances from the radioactive source.
• Keywords: alpha, beta, gamma, particles, radioactivity, decay
• Language: English
• Age Range: 14 - 16
• Author: Danilo Zutin
• Linked by: ViSH
• LOM Metadata: http://vishub.org/activity_objects/21542/metadata.xml

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