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Rovšek, Barbara; Guštin, Andrej – Physics Education, 2018
An astronomy "experiment" composed of three parts is described in the article. Being given necessary data a simple model of inner planets of the solar system is made in the first part with planets' circular orbits using appropriate scale. In the second part revolution of the figurines used as model representations of the planets along…
Descriptors: Motion, Scientific Concepts, Scientific Principles, Science Activities
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Gordon, Jessica – Science Scope, 2008
Water is an essential resource for all living things. How we live on our watershed can impact water quantity and quality. It is important to recognize how humans alter watershed dynamics, but students often find it challenging to visualize watershed processes and understand how decisions that they make as individuals and together as a community…
Descriptors: Water Quality, Conservation (Environment), Water Pollution, Science Instruction