Gamma Rays

Basic info on gamma rays

• Wavelength is about 10 ^-12 nanometer.
• This is about the size of an atomic necleus.
• Highest frequency of all waves.

Uses

• medicine
• research
• nuclear energy

Research Question:
What are the medical applications of gamma rays?

medical uses

• Sterilise medical equipment
• radioactive tracers
• Kills cancer cells

sterilising equipment

• Equipment is put into sealed plastic bag.
• The bag is blasted with gamma rays.
• This inacivates viruses and kills bacteria.

tracers

• Used to find cancer cells.
• Radioactive material is inserted into the body.
• A detector follows the material, and makes a visual immage.

Treating cancer

• The gamma rays are foucsed on the tumor.
• The rays kill the cells.
• They use more thn one ray.

Dangers

• Kills cancerous and non cancerous cells

Cool Facts

• Made in hot places or a supernova.
• Can release more energy than the sun.
• They have no mass and no charge.

Citations

• Vaughan, Shania. "Interesting Facts (GR2)." Interesting Facts (GR2). Hicks Vill School, 14 Feb. 2011. Web. 02 June 2016.
• http://www.bbc.co.uk/schools/gcsebitesize/science/add_ocr_gateway/radiation...
• http://hubblesite.org/reference_desk/faq/answer.php.id=70&cat=light