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SELF-ASSESSMENT CHECKLIST

I am able to ... | Section | Not yet | Nearly there | Ready to move on
describe nuclear fusion | 25.1 |  |  |
calculate the energy released in a nuclear fusion reaction | 25.1 |  |  |
describe the conditions necessary for nuclear fusion | 25.1 |  |  |
explain why nuclear fusion takes place in stellar cores | 25.1 |  |  |
appreciate the role of mass in stellar evolution | 25.2 |  |  |
show the evolution of a star on an HR diagram | 25.2 |  |  |
find the distance to a star using the method of parallax | 25.2 |  |  |
calculate the radius of a star from its temperature and luminosity | 25.2 |  |  |
appreciate the role of the Chandrasekhar and Oppenheimer–Volkoff limits | 25.2 |  |  |

REFLECTION

Can you describe the conditions necessary for nuclear fusion to occur? Do you appreciate the role of fusion in energy production in stars? Do you understand the main features and regions of a Hertzsprung-Russel diagram? Do you understand the role of mass in stellar evolution? Do you appreciate the role nuclear fusion for nucleosynthesis? Can you describe the stages in the evolution of a main sequence star? Can you solve problems with luminosity and apparent brightness? Do you understand what is meant by stellar parallax?

528

Exam-style Questions

You can find questions in the style of IB exams in the digital coursebook.