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Earth in Space Vocabulary

Chapter 1-1

pgs. 4-13

 

1) Astronomy-

 

2) Orbit-

 

3) Period of Rotation-

 

Earth's Period of Rotation-

4) Period of Revolution-

 

Earth's Period of Revolution -

5) Axis-

 

6)  Summer Solstice-

Dates around-

 

7)  Winter Solstice-

Dates around-

 

8)  Vernal Equinox-                                  

Dates around-

9)  Autumnal Equinox-

Dates around-

 

 

10) Reasons for Seasons-

 

 

11) What is a Leap Year?

 

 

12) What causes day and night?