Back to Space Unit

Vocabulary list

Chapter  3-4 Earth’s moon

Pages 30-33

1) highlands  
2) maria  
3) rilles  (not in text)  
4) perigee (not in text)  
5) apogee(not in text)  
6) moon’s period of rotation  
7) moon’s period of revolution  
Who were:  
8) Neil Armstrong  
9) Buzz Aldrin  
10) Galileo Galilei  
Answer on Index cards:
11) Compare the moon’s gravity to Earth’s gravity.  
12) How did scientists figure out the distance from Earth to the moon?  
13) Describe the main theory of how the moon was created.  
14) How might the moon’s craters and rilles have formed?