Earth spins on it

1
Earths Motion Seasons (pages 38-43)
Page 1-1 date
1
2
3
4
5
6
7
8
9
10
11
12

• Earth spins on its axis.
• Axis an imaginary line drawn from the north
  pole to the south pole
• the axis is tilted 23.5º (degrees)
• Tilt is in same direction at all times
• spinning motion causes day and night
• This spinning is called rotation.
• one rotation 1 day 24 hours

2
13
14
15
16
17
18
19
20
21
22
23
24
25

• While Earth is rotating about its axis,it is
  also moving in a path around the Sun.
• motion around Sun revolution
• once around 1 year 365¼ days
• path itself is called orbit
• it is an ellipse (oval)
• Seasons caused by Earths tilt and revolution
• hemisphere leaning toward Sun summer
• Sunlight more direct hotter
• Longer daylight
• Hemisphere leaning away winter
• Colder and shorter days

visual

• Write key words in the column on the left page.
• Write a summary at the bottom of the left page.