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# 4.2 Star Lesson Homework

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This is the homework assigned Thursday November 19th 2009. If you are in periods 3 or 4 you are completing the first page. If you are period 5, or have special instruction by myself, then you are completing the second page.

Please keep in mind that this material will also be used for testing.

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### 4.2 Star Lesson Homework

1. 1. Name:<br />Section:<br />1. Draw and label the life cycle of a high-mass star with the two different outcomes. Be sure to use the following labels: Nebula, Black Hole, Supernova, Neutron Star, Main Sequence, Super Giant and Nebula.<br />2. Describe how a star is born.<br />3. Explain how the life cycles of a low-mass star differ from the life cycle of a high-mass star.<br />Extra Credit: Since no form of radiation can ever get out of a black hole, how can astronomers detect where black holes are? (answer on back of sheet)<br />Name:<br />Section:<br />1. Describe how a star is born.<br />2. Complete the Flow Chart that shows the life cycle of a low-mass star. The first step is done for you.<br />Stars form inside a cloud of gas and dust called a nebula<br />3. True or False?<br />a. ___ Neutron Stars are stars that have run out of fuel.<br />b. ___ Stars with more mass last longer than stars with less mass.<br />c. ___ All stars end up as white dwarfs.<br />Extra Credit: How do astronomers think the sun may have begun? (answer on back of sheet)<br />