Physical Science Nuclear Reactions Worksheet I
I.
Define
A. Nuclear Reactions
B. Isotopes
C. Mass Number
D. Radioactive decay
1. Alpha particle
2. Alpha Decay
3. Beta particle
4. Beta Decay
5. Gamma ray
6. Gamma Decay
E. Half-Life
1. Radioactive dating C-14
2. Radioactive dating K-40 or U-238
F. Using Radioactive Isotopes
1. Tracers
2. Industry
3. Medicine
a. Tracers
b. Radiation Therapy
Name ________________ Per ____
Physical Science Nuclear Reactions Worksheet II
Name ________________ Per ____
G. Nuclear Power
1. Nuclear Fission
a. Nuclear power plants of today
b. Parts and FUNCTION
i.
Reactor core
ii.
Confinement building
iii.
Heat exchange fluid
iv.
Cooling tower
v.
Turbine and generator
vi.
Fuel
vii.
Wastes(what is the problem)
viii.
Current disposal of wastes
2. Nuclear Fusion
a. Why is Fusion considered to be Nuclear power plants of the future
b. Parts and FUNCTION (WHAT DOES IT DO OR WHY IS IT NEEDED?)
i.
Magnetic confinement
ii.
Start-up energy needed
iii.
Actual Fuel needed
iv.
Waste characteristics
H. Energy of the stars
a. Fusion reaction
b. What causes the formation of new, larger atoms?
Physical Science Nuclear Reactions Worksheet III
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26.
Name ______________ Per ____
How many protons_____ & neutrons_____ are in a U-238 nucleus?
How many protons_____ & neutrons_____ are in a U-235 nucleus?
Which of the previous 2 is radioactive and why? __________________________________________________________
How many protons_____ & neutrons_____ are in a Sr-88 nucleus?
How many protons_____ & neutrons_____ are in a Sr-90 nucleus?
Which of the previous 2 is radioactive and why? __________________________________________________________
Write the alpha decay starting with Sr-90? _______________________________________________________________
Write the beta decay starting with Sr-90? ________________________________________________________________
Write the alpha decay starting with I-120? _______________________________________________________________
Write the beta decay starting with I-120? ________________________________________________________________
What is the content of an alpha particle? ________________________________________________________________
What is the content of a beta particle? __________________________________________________________________
What is the content of a gamma ray? ___________________________________________________________________
What is the mass change after an alpha decay? ___________________________________________________________
What is the mass change after a beta decay? _____________________________________________________________
What is the mass change after a gamma decay? __________________________________________________________
What is needed to protect you from an alpha decay? ______________________________________________________
What is needed to protect you from a beta decay? ________________________________________________________
What is needed to protect you from a gamma decay? _____________________________________________________
How fast is a gamma ray? ___________________________________________________________________________
What kind of nuclear power is used in current power plants? _______________________________________________
What do current nuclear power plants make for us? ______________________________________________________
Describe what happens to the atoms during fission. _______________________________________________________
What is the minimum amount of fuel required called? _____________________________________________________
What is the fuel for Nuclear Fission? _________________________ Nuclear Fusion? ___________________________
What are the 5 parts and their FUNCTION in a Nuclear Power Plant?
a. _____________________________________________________________________________________________
b. _____________________________________________________________________________________________
c. _____________________________________________________________________________________________
d. _____________________________________________________________________________________________
e. _____________________________________________________________________________________________
27. Concerning the reactor building and core, what are the FUNCTIONS of each of these:
a. Confinement building: ___________________________________________________________________________
b. Fuel rods: _____________________________________________________________________________________
c. Moderator: ____________________________________________________________________________________
d. Coolant: ______________________________________________________________________________________
e. Heat exchanger: ________________________________________________________________________________
28. How does the energy from the radioactive core get to the turbine?
____________________________________________________________________________________________________
____________________________________________________________________________________________________
____________________________________________________________________________________________________
29. Describe how Yucca Mountain would have been valuable to us.
Physical Science Nuclear Reactions Worksheet IV
Name _______________ Per ____
30. How does Fusion differ from Fission:
a. _________________________________________________________________________________________________
b. _________________________________________________________________________________________________
c. _________________________________________________________________________________________________
d. _________________________________________________________________________________________________
e. _________________________________________________________________________________________________
31. Would fission or fusion be preferred for the future and why? _______________________________________________
a. ________________________________________________________________________________________________
b. ________________________________________________________________________________________________
c. ________________________________________________________________________________________________
d. ________________________________________________________________________________________________
e. ________________________________________________________________________________________________
32. What is the fuel for Nuclear Fusion? __________________________________________________________________
33. Describe and RANK the dangers of differing exposure levels to radioactivity (LEAVE NOTHING HAPPENING OUT).
____________________________________________________________________________________________________
____________________________________________________________________________________________________
____________________________________________________________________________________________________
____________________________________________________________________________________________________
_____________________________________________________________________________________
34. Why is it incorrect to say “The stars are burning in the sky…” _________________________________________________
35. How are atoms larger than Hydrogen made?
____________________________________________________________________________________________________
______________________________________________________________________________________________
36. What did not happen at Three Mile Island? ______________________________________________________________
37. What did happen at Chernobyl? _______________________________________________________________________
38. What did the Soviet government have to do because of above the answer?
a. _____________________________________________________________________________________________
b. _____________________________________________________________________________________________
c. _____________________________________________________________________________________________
39. Fission or Fusion in the future and why?
____________________________________________________________________________________________________
____________________________________________________________________________________________________
____________________________________________________________________________________________________
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