
Snow is frozen water. It forms when it is cold. Water in the air freezes. Ice crystals form. These crystals are snowflakes. They fall from the sky.
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A laser is a thin beam of light. People use lasers … read more
Igloos are homes made of snow. They are shaped like … read more
Zelia Nuttall was an archaeologist from California. Archaeologists are scientists … read more
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