There are eight planets in the solar system in two distinct groupings. The four inner terrestrial planets (Mercury, Venus, Earth, and Mars) are very small and relatively close together. The outer planets or gas giants (Jupiter, Saturn, Uranus, and Neptune) are very large and far apart from each other. This activity presents a scale model that illustrates the vast differences in the sizes of the planets and their distances from the Sun.
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Categories: Lab/Student Activity, Lesson Plan
Students choose a topic of interest that relates science they are studying to innovative or practical applications, recently published research, or potential future applications. They then prepare a... read more
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Categories: Lab/Student Activity, Teacher Demonstration
In this demo, a polyethylene rod is charged by rubbing with wool. The charged rod is then used to bend a stream of water flowing from a tap. Different substances have different attractions for... read more
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Categories: Lab/Student Activity
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