Ciencias de la Tierra, cristales, rocas, y minerales

Reseña del editor 642112 Características: -Aprende sobre las rocas y los minerales que las forman.-Descubre las fascinantes estructuras cristalinas de estos minerales.-Kit te enseña la química de los cristales y la ciencia geológica.-Crece tres tipos de cristales químicamente diferentes. - Formas de cristal construidas incluyendo octaedro, tetraedros y romboides.-Investiga la geología ciclo de roca ológica. -Aprenda cómo se forman, alteran, destruyen y forman tres categorías principales de roca ígnea, sedimentaria y metamórfica.-Manual de experimentos de 32 páginas.-Edades 8 en adelante. Color/Acabado: - Color completo. Instrucciones de montaje: requiere montaje. Dimensiones: dimensiones del libro de guía: 5.5 pulgadas de ancho x 8.25 pulgadas. From the Manufacturer National Geographic Crystals, Rocks, and Minerals; Earth Science Experiment Kit. Learn about rocks and the minerals that form them. Dig deeper and discover the fascinating crystal structures of these minerals. Much more than just a crystal growing kit, this experiment kit teaches you the chemistry of crystals and the geological science behind rock formation with more than 18 hands-on projects and investigations. Grow three chemically different types of crystals that exhibit not only different colors, but also different shapes. Build three-dimensional geometric models of common crystal shapes including octahedrons, tetrahedrons, and rhomboids. Mold your own crystal geode - a hollow rock with crystals growing inside. Learn how to test and identify minerals with your very own collection of real specimens included in the kit. Conduct tests to determine a mineral's chemical and physical properties such as color, luster, streak color, hardness, density, magnetic properties, and carbon, sulfur, or iron content. Investigate the geologic rock cycle and learn how the three main categories of rock - igneous, sedimentary, and metamorphic - are formed, altered, destroyed, and formed again. Full-color, 32-page experiment manual.

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