X-rays are part of the electomagnetic spectrum. They were discovered by Roentgen.

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The following is a picture from the first medical X-ray. Source: Wikipedia

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Concept Map

Textbook

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Teaching Outlines

Concept # Introduction to Radioactivity and Its Features

Learning objectives

Radioactivity and Half Life Definition
Types of Radioactivity
Uses of Radioisotopes
To learn about Gamma Deacy,Alpha Decay,Beta Decay and X-rays.

Notes for teachers

To help the student to understand the history of radioactivity
Explain the features of radioactivity and its decay
Ask questions to the students while teaching make them interactive
Give assesments to do them and also find the answers in own which you give for them
Make them a practical thinking to do.

Activity No # Radioisotopes and Radioactivity Decay

Materials/ Resources needed
Prerequisites/Instructions, if any
Multimedia resources

It should be informative, interesting and less than 7 minutes-- Created using PowToon
Source:Youtube.com

Website interactives

Interactive Simulations of Alpha Decay
Alpha decay
Interactive Simulations of Beta Decay
Beta Decay

Evaluation

    As students read about these scientists, ask them to think about the following questions:

          What important discovery was made by Wilhelm Roentgen?
         
          What material did Antoine Becquerel work with in his own investigations of X rays?
           
          What did Becquerel discover through his experiments?
           
          What two elements were discovered by Marie and Pierre Curie?
          
          Why is Ernest Rutherford considered the father of nuclear physics? List Rutherford's major achievements.

Source:SciencenetLinks.com

Project Ideas

answer the following question before going to topic

Radioactivity

Contents