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Grade Level: 5-8
Science Education Standards: Science and Technology -- Content Standard D
Earth in the Solar System:
- The Earth is the third planet from the sun in a system that includes the Moon, the sun, seven other planets and their Moons, and smaller objects, such as asteroids and comets. The sun, an average star, is the central and largest body in the solar system.
- Most objects in the solar system are in regular and predictable motion. Those motions explain such phenomena as the day, the year, phases of the Moon, and eclipses.
- The sun is the major source of energy for phenomena on the Earth's surface, such as growth of plants, winds, ocean currents, and the water cycle. Seasons result from variations in the amount of the sun's energy hitting the surface, due to the tilt of the Earth's rotation on its axis and the length of the day.
Short Description: Students measure and calculate the diameter of the sun with a meter stick and index cards.