Research into nuclear fusion will likely require a large investment of time and money before it might be used as an energy source. Which statement best describes the benefits that would make the investment worthwhile? Fusion requires a large amount of energy and occurs in stars. |
NOT D B |
Which is most likely why many scientists reject the cold fusion theory? There is too much waste involved in the process. Cold fusion experiments have been conducted at room temperature only. The process does not produce enough energy to meet the needs of modern humans. The original results have not been replicated consistently and reliably. |
D |
Which statement is true about nuclear fusion? It is caused by the same process that causes nuclear fission. |
NOT A |
How does critical mass play a role in nuclear reactions? It is the minimum amount of material needed to start a fission reaction. It is the minimum amount of material needed to start a fusion reaction. It is the minimum amount of material needed to sustain a fission reaction. It is the minimum amount of material needed to sustain a fusion reaction. |
C |
Which is a characteristic of nuclear fusion? produces radioactive waste |
B |
Why is it important for scientists to replicate each other’s experiments? to determine if important scientific results are repeatable to help the research of other scientists to determine if slight alterations in the experiment can affect the result to further their own research |
A |
Which equation demonstrates that nuclear fusion forms elements that are heavier than helium? |
B |
Which element is nuclear fusion least likely to produce? hydrogen, which has an approximate mass of 1 |
A |
Which type of reaction does this diagram represent? mc007-1.jpg nuclear fusion because nuclei combine to form a heavy nucleus nuclear fission because an atom is splitting into two large fragments of comparable mass nuclear fusion because a large amount of energy is nuclear fission because the resulting products are not radioactive |
B |
Which is a characteristic of nuclear fusion but NOT nuclear fission? releases large amounts of energy |
B |
Which best describes what forms in nuclear fusion? |
NOT A |
Which best describes nuclear fission? A nucleus spontaneously splits and absorbs energy. |
NOT A |
Which statement is true about nuclear fusion? It is caused by the same process that causes nuclear fission. |
D |
Which statement is true about this reaction? mc016-1.jpg It is a practical source of energy on Earth. |
NOT A |
Nuclear Fission and Nuclear Fusion
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