The Dancing Lights in the Sky
When green and purple ribbons shimmer over the snowy night, two curious kids discover the dancing lights in the sky—learning how the aurora glows when particles from the Sun meet Earth's magnetic field.
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When green and purple ribbons shimmer over the snowy night, two curious kids discover the dancing lights in the sky—learning how the aurora glows when particles from the Sun meet Earth's magnetic field.
When the sky suddenly turns dark in the middle of the day, two curious kids discover why the day the sun disappeared—learning how the Moon can pass between Earth and the Sun during a solar eclipse.
When scratchy tracks lead toward a sun-warmed pond, two curious kids follow the scaly trail—discovering how reptiles use scales, shells, and cold-blooded bodies to survive.
Many microbes are helpful. Good bacteria can aid digestion, protect us from harmful germs, and play important roles in nature.
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