Download Questions for The Elements: Forged in Stars

Questions for The Elements: Forged in Stars (Page 158)
1. What are the two main ingredients in a star like the sun?
2. What percent of each of these two elements do they have?
3. What happens to Hydrogen atoms in a star’s core?
4. For about what percent of a star’s life does it do this?
5. What happens when a star runs out of Hydrogen to use as fuel for fusion?
6. If you fuse three Helium atoms together, what element do you get?
7. What element do you get when you add yet one more Helium to that atom?
8. Why are Carbon, Nitrogen, and Oxygen so important?
9. At what temperature is Silicon burning in a giant star?
10. What is the last major element that stars make (that you can’t make any new
atoms out of it?)
11. What happens when a star runs out of fuel and how does it happen?
12. How much brighter than the sun is a supernova?
13. When are atoms bigger than Iron made in a star?
14. What is the last element on the periodic table that can be made?