Friday, February 23, 2007

Phys 12 Work on the Conceptual Development Questions (Cartoony) from the Los Altos package, and try 4 Worksheets on Electrostatics, Potential, Energy 1 and 2.
BRING REAL QUESTIONS for Mr. to try to sorten out. Relax, its just electrostatics.

Phys 11 Home Work Assignment Friday 23rd

Read pages 284 – 287 (snap), and 811, 812 (Zitzewitz). Take 3 column notes for the following terms and answer the following questions.

- moderator
- fuel rods
- control rods
- Candu Reactor

1. What is the purpose of the moderator?

2. Lead often is used as a radiation shield. Why is it not a good
choice for a moderator in a nuclear reactor?

3. What is the function of the control rods?

4. How is the radioactive energy converted to electrical energy?

5. What is enriched uranium?

6. Describe the moderator used in a Candu rector.

7. Nuclear reactors pump water in and out from lakes and rivers. What do they use this water for? Does this water become polluted with radioactive waste? Does this water pollute in other ways?

8. What are four possible problems with using nuclear fission as a power source?
QUIZ Next Class on what we’ve covered up to now.

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