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The imaginary line drawn from the north geographic pole through the Earth to south geographic pole.
The Earth spins around the axis.
This spinning causes day and night. |
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| The spinning of the Earth on its axis. |
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| The movement of the Earth around the Sun. |
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| The curved path the Earth takes as it moves around the Sun. |
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| The 23.5 degree angle the Earth forms. |
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When the Sun is the greatest distance north or south of the equator and is directly over the Tropic of Cancer or Tropic of Capricorn.
Occurs June 21 or 22 (longest day of the year in the northern hemisphere) and December 21 or 22 (shortest day of the year in the northern hemisphere). |
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When the Sun is directly above the equator, and the length od day and night is about equal all over the world.
The Earth is NOT TILTED away or toward the Sun.
Occurs March 21 or 22 and September 21 or 22. |
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| The changing shape of the moon as seen from Earth. |
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Occurs when the moon is between the Earth and Sun.
The lighted half of the moon is facing the Sun.
We do not see any of the lighted half of the moon on Earth. |
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| When less than half of the lighted half of the moon can be seen from Earth. |
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| When more than half of the lighted side of the moon can be seen from Earth. |
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When all of the lighted side of the moon can be seen from Earth.
The Earth is between the Sun and the Moon. |
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| Occurs when the moon seems to be growing larger. |
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| When the moon seems to be getting smaller. |
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Occurs during a new moon.
The Earth moves into the Moon's shadow.
The Moon blocks sunlight from reaching the Earth. |
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When the Sun, Earth, and Moon line up so that the full Moon moves into the Earth;s shadow.
Sunlight is blocked from reaching the moon. |
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