Science test review chapter 20             Name ______________________

 

 

1.       What causes a star to shine? ____________________________________________________________________________

2.       What Often interferes with TV and radio reception on Earth? __________________________________________________________________________

3.       What are sunspots? ______________________________________________________

4.       Describe where red giants are located on the H-R diagram? __________________________________________________________________________

5.       What type of star would be the hottest? ________________________________________

6.       The H-R diagram charts show star temperatures and ____________________________.

7.       The magnitude of a star describes a star’s ________________.

8.       Be able to identify the following constellation and stars in an constellation. Draco,  Capella, Polaris, Ursa Minor and. Draw the constellations and star location for the review.

 

 

 

 

 

 

10. Give an example of a peculiar galaxy. (Name one) ______________________________________________________________________________

11. How far is a light year? In km

12. The Milky Way Galaxy is in what group? ___________________________________________

13. What is apparent magnitude?   __________________________________________________

Matching 6pt

Be able to label the Sun and facts about the location such as where do temperatures reach 15 million degrees C. 

Essay

14. How do scientists determine the distance stars and galaxies are from Earth or each other? (2 points)_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________

15. Compare and contrast the four types of galaxies. (5 points) _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________