"Discusses light and darkness, day and night, sunlight, shadows, lasers, electricity, reflections, and refraction. Includes simple experiments and examples from everyday life."
"Basic text and suggested activities illustrate the nature of light and various optical principles."
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This is a placeholder reference for a Topic entity, related to a WorldCat Entity. Over time, these references will be replaced with persistent URIs to VIAF, FAST, WorldCat, and other Linked Data resources.