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Experiment #1: The Inverse Squares

dwb4.unl.edu/Chem/CHEM869Z/CHEM869ZLinks/www.lbl.gov/abc/Experime ...

... radium and uranium, Henri Becquerel discovered radiation in 1896. The following expe-riment will use a completely safe beta b particle of radiation (Strontium-90).      We have learned that radiation travels in all direction in ...


Experiment #2: Alpha Please Leave Home

dwb4.unl.edu/Chem/CHEM869Z/CHEM869ZLinks/www.lbl.gov/abc/Experime ...

... alpha particle? How do you know this? List several reasons why the alpha particle does not travel more than several centimeters. Going Further What is the mass of an alpha particle compared to an electron? Using "Chart of Nuclides ," what ...


Experiment #3: Stop That Gamma

dwb4.unl.edu/Chem/CHEM869Z/CHEM869ZLinks/www.lbl.gov/abc/Experime ...

... emitted as a result of transition of a high energy level of the nucleus to a lower level. These emissions of high energy particles from the nucleus are also called photons. Gamma radiation has a higher penetration power than alpha and beta ...


Experiment #4: Penetrating Power

dwb4.unl.edu/Chem/CHEM869Z/CHEM869ZLinks/www.lbl.gov/abc/Experime ...

... is a great difference in the penetrating powers for alpha, beta, and gamma rays. Of the three types of radiation, alpha particles are the easiest to stop. A sheet of paper is all that is needed for the absorption of alpha rays. However, it ...


Experiment #5: Radiography

dwb4.unl.edu/Chem/CHEM869Z/CHEM869ZLinks/www.lbl.gov/abc/Experime ...

... used and the shape of objects placed between the source and film. Objective      To investigate the intensity of beta particles on photographic film. Materials Polaroid film type 57 Polaroid Land Film Holder #500 Sr-90 (beta source) ...


Experiment #7: Magnetic Deflection of Beta Rays

dwb4.unl.edu/Chem/CHEM869Z/CHEM869ZLinks/www.lbl.gov/abc/Experime ...

... of the rays so that they bend. The strength of the magnets and the energy of the beta particles will determine the degree of deflection of the beta particles from the source. Objective      To deflect the path of beta radiation by ...


Experiment #8: Radiation Makes House Calls

dwb4.unl.edu/Chem/CHEM869Z/CHEM869ZLinks/www.lbl.gov/abc/Experime ...

Experiment #8: Radiation Makes House Calls EXPERIMENT #8: RADIATION MAKES HOUSE CALLS Introduction      Radioactivity is found in the home. The news media has reported on the problem of radon, Rn, build-up in our homes. However, the ...


Experiment #9: It's In The Clouds

dwb4.unl.edu/Chem/CHEM869Z/CHEM869ZLinks/www.lbl.gov/abc/Experime ...

... effects of nuclear radiation? The cloud chamber is excellent for studying the rate of alpha decay and the range of an alpha particle. Alcohol vapors are held up highly pressurized by dry ice. When a harmless radioactive alpha source is ...


Berkeley Lab Energy Showcase

2011showcase.lbl.gov/index.html

Berkeley Lab Energy Showcase Welcome!  Berkeley Lab’s Technology Transfer and Int-ellectual Property Management has seen tremendous changes at the Lab since we hosted an event like this three years ago.  While our research continues to ...


2011 Berkeley Lab Energy Innovation Showcase

2011showcase.lbl.gov/venue.html

2011 Berkeley Lab Energy Innovation Showcase Venue Event Location The event will take place in the Building 66 Auditorium at Lawrence Berkeley National Laboratory. For an inter-active view of the Berkeley Lab site map, please visit the link ...


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