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Chemistry 8

HS  PSI-8  Nuclear Chemistry

Phenomenon

Radioactivity of Brazil Nuts  Atomic Insights

How does the radioactivity arise?

How much of a problem is it?  Give details!

Radioactivity

   Alpha-, beta-, gamma-radiation

   Radioactive decay

   Measuring radioactivity

   Nuclear energy

   Humans and radiation

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HS-PS1-8 Matter and its Interactions
Develop models to illustrate the changes in the composition of the nucleus of the atom and the energy
released during the processes of fission, fusion, and radioactive decay.

Visuals of radioactivity

Vast amounts of energy involved
Performance Expectation
  Grade:  High School (9-12)

Slide01.jpg

LBL.gov PD

Prior Knowledge/Preview
Nuclear science introduction lnl.gov
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Inquiry science
       Printable activity
       On-line activity
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LAB experiments
       Lab #1  Radioactivity background count
       Lab #2  Radioactive half-life decay simulation Washington International School    
       Lab #3  Radioactivity in the home: smoke detector
       Lab #4  Isotope activity American Nuclear Soc
       Lab #5 Background & other radiation activities NASA
        Lab #6 Cloud Chamber activity WIS
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Aerospace CONNECTIONS:
Radioactivity in space American Nuclear Society
R/a in space exploration nuclear connect
Applications and examples:
   Atomic clocks
   Nuclear-powered satellites and probes
   Radioisotope thermionic generators

Radiation dose and space exploration p23+ NASA

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EXTENSION material for the curious
Gas mantle radioactivity
Radioactive Decay as a Measure of Age cK-12
Radioactivity isotope lab with licorice nuclear connect
Fission Versus Fusion DoE
Women in the Manhattan Project DOE
Radiation in Space National Research Council
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