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This article explains the life cycles of stars. Topics include the effect of a star's mass on its life cycle, and what happens when stars reach the end of their life spans. Links to a glossary are embedded in the text.
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National Science Education Standards (NSES): Read
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Activity: Fusion Reactions -
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This activity will help students understand how white light is broken up into its component colors by a diffraction grating and what the relationships are between the wavelength, frequency, and energy of light. Objectives, applicable standards, and pre-requisite materials are described, and instructions and a materials list are provided.
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National Science Education Standards (NSES): Read
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This collection of basic definitions and answers to questions about hurricanes and tropical cyclones includes how they form, how they are named, how intensities are measured, and how storms are forecast. Historical information, information on myths surrounding these storms, links to sites displaying real-time storm information, and safety tips are also included.
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National Science Education Standards (NSES): Read
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This document describes how geologic time is approached in discussions of geologic topics. The uses of relative time and absolute time are compared, and a geologic time scale is provided to represent both concepts. References are provided.
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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