Students know that Earth is one of several planets that orbit the Sun and that the Moon orbits Earth.
Objects in the sky move in regular and predictable patterns. As a basis for understanding this concept:
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Students know the Sun, an average star, is the central and largest body in the solar system and is composed primarily of hydrogen and helium.
Students know the solar system includes the planet Earth, the Moon, the Sun, eight other planets and their satellites, and smaller objects, such as asteroids and comets.
Students know the path of a planet around the Sun is due to the gravitational attraction between the Sun and the planet.
Students know changes in weather occur from day to day and across seasons, affecting Earth and its inhabitants.
Students know how to use simple tools (e.g., thermometer, wind vane) to measure weather conditions and record changes from day to day and across the seasons.