Astronomy
Learn about the vast expanse of space with these pages.
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Learn how clouds form, and read about the different types of clouds.
The Earth's atmosphere is a thin layer of gases that surrounds the Earth. It is composed of 78% nitrogen, 21% oxygen, 0.9...
The scientific name for the twinkling of stars is stellar scintillation. Stars twinkle when we see them from the Earth's...
Learn about the inner composition of the planet Jupiter.
Use the word bank to fill in the blanks in this Mercury cloze activity. This is a printable worksheet.
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Inclination is a measure of how the plane of an orbit lies with respect to the plane of the ecliptic.
Use the word bank to fill in the blanks in this Uranus cloze activity. This is a printable worksheet.
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Use the word bank to fill in the blanks in this Neptune cloze activity. This is a printable worksheet.
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The Kuiper Belt in the outer regions of our Solar System.
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