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Name_______________________________________

Questions Assignment 1:Stars and Galaxies:

1. Read pages 11-21, Answer these questions in full sentences:

a. What are galaxies and why are galaxies considered the major feature of the universe?

b. Name, describe and draw the three main types of galaxies

c. Name, describe and draw our galaxy. Locate our sun in that galaxy (see page 19-20)

d. Describe and illustrate the following terms: binary stars, constellations, novas, star clusters, nebula

Questions Assignment 2: The Formation of the Universe Read pg 22-28. Answer the questions in detail:

a. How does the spectroscope enable astronomers to determine the characteristics of distant stars and galaxies?

b. What is the 'red shift'? Why is it important to astronomers? Do p24 'Thinking Activity' . Sketch p 25 fig 1-16.

c. What role did gravity play in the formation of the galaxies?

d. What is meant by an 'Open ' and a 'Closed ' universe model? Draw fig 1-1 8 and label

e. Describe and illustrate the Big Bang . Use several panels to illustrate the stages after the Big Bang. Label the pictures. Use handouts to help you.

f. What are quasars? What do they tell us about the formation of objects in our universe?

Due date______________________

Questions- Assignment 3: Characteristics of the Stars

Read pages 28-37. Answer the following questions in detail:

a. Describe how stars vary in size, composition, temperature, color, mass and brightness

b. Copy fig 1-20 on page 29. Color it

c. How do astronomers determine the surface temperature of stars?

d. Compare absolute magnitude and apparent magnitude

Due date______________________

Questions-Assignment 4:Our Own Star- the Sun

Read pages 38-42 Answer these questions:

a. List and describe the four main layers of the sun.

b. Describe four types of storms on the sun

c. How have astronomers determined that the sun rotates on its axis?

Due date______________________

Questions-Assignment 5:The Evolution of Stars

Read pages 42-49. Answer the following questions in detail:

a. How is the evolution of a star determined by its starting mass?

b. What is the next stage in the sun's evolution?

c. Why are supernovas considered factories for the production of heavy elements?

Due date______________________