USING RADIATION - MICROWAVE OVENS & MOBILE PHONES

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Information about USING RADIATION - MICROWAVE OVENS & MOBILE PHONES
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Published on January 29, 2009

Author: Sciencetutors

Source: slideshare.net

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Concerns about effects on health have also been raised regarding the use of mobile phones-some of the risks associated with the use of mobile phones are perceived risk rather than actual. Your task is to research and draw a conclusion.

Understanding the Perceived Risk and Actual Risk of USING RADIATION www.sciencetutors.zoomshare.com P2

USING RADIATION MICROWAVE OVENS TASK To find out how microwaves causes heating Make a list of design features that make microwave ovens safe for use and explain how. www.sciencetutors.zoomshare.com

A microwave oven , or a microwave , is a …………………that ………..or heats……….. ..by……... …….……..This is accomplished by using ………… radiation to heat ……….. and other ………… ………….. within the food. Copy and complete the task below by using the following keywords Water microwave polarised-molecules cooks kitchen-appliance dielectric-heating www.sciencetutors.zoomshare.com

Dielectric heating (also known as electronic heating , high-frequency heating ) is the phenomenon in which devices like radio wave or microwave electromagnetic radiation heats a dielectric material (non conducting material) Source: Wikipedia www.sciencetutors.zoomshare.com

What radiations are on either side of microwave radiation in the electromagnetic spectrum? www.sciencetutors.zoomshare.com

Why does microwave and radio radiation not have any ionizing effect? www.sciencetutors.zoomshare.com

Mobile phones use electromagnetic radiation. What is the name of this radiation? Concerns about effects on health have been raised regarding the use of mobile phones. What are the perceived risks and actual risks of using mobile phones What is the difference between a perceived risk and an actual risk www.sciencetutors.zoomshare.com

Mobile phones use electromagnetic radiation. What is the name of this radiation?

Concerns about effects on health have been raised regarding the use of mobile phones. What are the perceived risks and actual risks of using mobile phones

What is the difference between a perceived risk and an actual risk

Explain why the walls and door of a microwave oven are designed to reflect microwave radiation? www.sciencetutors.zoomshare.com

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