Download Chapter 5 Mid-term Study Guide

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Chapter 5 Mid-Term Study Guide
Earth Science
Part A 1–8. Number the steps to show the sequence of a star’s life. Write the correct number on the line before
each step.
______ A small star becomes a white dwarf, and a large star becomes a neutron star or black hole.
______ The star collapses again and then explodes as a nova or supernova.
______ A cloud of dust and gas is drawn together by its own gravity.
______ The star continues to give off the same amount of energy for billions of years.
______ The star swells to a red giant or supergiant.
______ It collapses, causing increased fusion and energy.
______ The star uses up its hydrogen.
______ Material in the cloud, or nebula, begins to give off energy.
Part B Match each term with its description. Write the letter of the correct answer on the line.
______ 9. supergiant
______10. universe
______11. constellation
______12. Polaris
______13. light-year
______14. Proxima Centauri
______15. nebula
______16. black hole
______17. magnitude
______18. supernova
A brightness of a star
B measure of distance
C nearest star to sun
D pattern of stars
E largest type of star
F cloud of dust and gas in space
G exploding star
H all of the galaxies together
I North Star
J region of great gravity and no light
Part C Read each sentence. Write the letter of the correct answer on the line.
19. The hottest stars are what color? _____________________.
20. The layer of the sun’s atmosphere that gives off light is the _______________________.
22. What is a nebula? _______________________________________________________________.
23. What is a supernova? ______________________________________________________________.
24. What is a black hole? _______________________________________________________________.
25. What is a supergiant? ________________________________________________________________.