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Download Curriculas X-Ray Gelatin
Pennsylvania Academic Standards: Science and Technology 3.6.4 B

It is fun to look at the fruit in your gelatin and pretend it is an x-ray. However, the discovery of real x-rays was no laughing matter. X-rays were a significant medical breakthrough even though they were discovered by chance! Using the Internet or your science textbook try to answer the following questions to learn more about amazing x-rays!
  • Who discovered x-rays?
  • When were x-rays discovered?
  • How do x-rays work?
  • What material is used to protect the body from radiation during an x-ray?

Answers: Show/Hide
Adding the salt to the ice does three things:
  • Wilhelm Konrad Roentgen discovered x-rays.
  • X-rays were discovered in 1895.
  • X-rays pass through soft tissue in the body and darken a photographic film on the other side. Dense parts, such as bones and teeth, block the rays so that a clear "shadow" is made on the film.
  • 4. Lead will block the harmful radiation during an x-ray.



X-ray facts taken from: How Things Work By Alison Porter, copyright date 1996, published by Barnes and Nobel Inc.
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