Science Worksheet

Earth Science Reading Questions 2.5

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Pages 78-85

1. What does evolution mean?

2. When did the earth form?

3. Where did our sun come from?

4. Where do new stars come from?

5. How does a protostar form?

6. What decides the life cycle of a star?

7. What does hydrogen turn into in a star?

8. When does a red giant form?

9. When do carbon atoms form?

10. What does a red giant turn into?

11. What determines how long will a white dwarf last?

12. How are massive stars like medium sized stars?

13. What happens in the core of a massive star?

14. What is a supernova?

15. What happens to iron atoms from a supernova?

16. Why do scientists believe that our sun and planets were formed from the nebula from a supernova?

17. What makes a neutron star?

18. What makes a pulsar?

19. What happens to stars

20. How do scientists find black holes

21. What happens inside a black hole?

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