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Nuclear Energy Quiz 1 (25 MCQs)

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1. The word essential in paragraph 2 means
2. After 4 half-lives, 1g of a sample of Krypton-85 remains unchanged. What was the original mass of the sample?
3. Type of radiation that requires thick layers of concrete or lead in order to be stopped
4. In paragraph 3, what does the word pollutants mean?
5. Using the decay of an isotope to find the age of a once-living object [fossil].
6. Controlled chain reactions in a nuclear reactor are achieved using _____
7. In paragraph 11, the author contrasts forms of energy to show that-
8. An example of an uncontrolled fission reaction is _____
9. Which of the following is NOT a source of nuclear waste?
10. What is a PRO about nuclear energy?
11. Which one does nuclear energy contribute to:
12. What does a strong nuclear force NOT want to have happen?
13. During fission, some of the nuclear mass is converted into
14. What two particles are located in nucleus?
15. Which nuclear power plant accident was the most serious to occur in the US?
16. What does alpha radiation emit?
17. What is a short term effect of mining uranum?
18. A positively charged particle (He-4) _____ Is the least penetrating form of radiation.
19. Which of the following is the correct order of events in a nuclear power plant?
20. Place the following events in sequence:A) Uranium atoms split; B) Steam powers turbines; C) Fuel rods heat up
21. Which countries have the largest commericial uranium mining operations?
22. Below are the factors that need to be considered before using nuclear energy this alternative source of energy, except
23. Carbon dating is a process where scientists evaluate thepercentage of Carbon-14 atoms that have decayed to Carbon-12. The process of changing from Carbon-14 to Carbon-12 involves the atoms losing two neutrons.What type of reaction occurs when Carbon-14 changes toCarbon-12?
24. Nuclear Power generation produces _____ nuclear waste.
25. The mass after a fission or fusion nuclear reaction is slightly less due to
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