Day - The period of time in which one daytime/nighttime cycle occurs on Earth every 24 hours., Rotation - Making a complete spin on an axis., Axis - An imaginary line that Earth rotates around., Orbit - The path one object takes as it revolves around another object in space., Revolution - Making a complete turn around another object., Moon - A natural satellite that orbits a planet., Craters - Bowl-shaped indents or cavities on the surface of a planet, moon, or asteroid that are caused by a collision with another object., Earth - The planet that all known life exists on. , Sun - The star at the center of our solar system that supplies heat and light to Earth., Surface - The outermost covering or layer., Atmosphere - The layer of gas surrounding planet Earth., Diameter - The distance between two opposite points on a sphere., Meteoroid - Relatively small chunks of space rock., Weight - The heaviness of an object; force of gravity on mass = weight,

Earth's Rotation

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