Internet Lesson - Radioactivity
20 Points
Name:_______________________________
Date:____________ Period:_________
Visit each site and follow instructions on this sheet.
The numbers on the sheet
correspond to the numbers of the web sites on the search page.
1. Define the following words.
Radioactive Material:______________________________________________________________________________________
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Radioactive:_____________________________________________________________________________________________
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Radioactivity:____________________________________________________________________________________________
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2. Define the following words. Be sure to watch the animations.
Alpha Decay: ___________________________________________________________________________________________
Beta Decay: ____________________________________________________________________________________________
Gamma Rays: __________________________________________________________________________________________
Proton Decay: __________________________________________________________________________________________
Neutron Induced Fission:__________________________________________________________________________________
Spontaneous Fission: ____________________________________________________________________________________
Hydrogen Burning: _______________________________________________________________________________________
3. Read about how a nuclear power plant works.
How much of the world's electricity is provided by nuclear power?_____________ How much in the USA?_____________
What are control rods? __________________________________________________________________________________
Name 4 significant problems with nuclear power.
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4. Run the fission reaction.
First run the reaction with "neutron absorbers" set to 0.
Run the reaction again with "neutron absorbers" set to 290. Compare the results and summarize below.
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What part of a nuclear power plant are the "neutron absorbers"?__________________________________________________
5. Watch a nuclear chain reaction.
6. Read about atomic bombs.
Look at the Gun-Triggered Fission Bomb. Remove the shell and sketch it on notebook paper. Then detonate it.
Look at the Implosion-Triggered Fission Bomb. Remove the shell and sketch on notebook paper Then detonate it.
Look at the Teller-Ulam Fusion Bomb. Remove the shell and sketch on notebook paper. Then detonate it.