Stars And Galaxies Worksheet


Name ________________________________
Date ____________________
Stars and Galaxies
Directions: Read each sentence. Then circle the letter next to the answer that
completes the sentence.
1. The three types of galaxies are spiral, ________.
a. elliptical, and ovoid
b. elliptical, and irregular
c. irregular, and ovoid
2. When a massive star explodes in a supernova, it can create ________.
a. a nebula
b. a galaxy
c. planets
3. Stars are born in ________.
a. planetary systems
b. black holes
c. nebulae
4. Stars produce energy through ________.
a. nuclear fusion
b. nuclear fission
c. chemical oxidation
5. Galaxies are usually about ________ light years across.
a. 100–1,000
b. 1,000–100,000
c. 1,000–1,000,000
6. The Milky Way is ________ light years across.
a. 10,000
b. 100,000
c. 1,000,000
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