OUR+PLANET+GRADE+4

=THE BIRTH OF THE SOLAR SYSTEM=

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OUR PLANETS media type="youtube" key="zcY200C8rtA" width="560" height="315"

THE EARTH´S ROTATION AND ORBIT

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THE MOON

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PHASES OF THE MOON

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OUR PLANET: EARTH

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LONGITUDE AND LATITUDE

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SEASONS

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CLIMATES

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THE SOLAR ECLIPSE

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