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Children's Online Encyclopedia.Look it up on this new free website: illustrated, comprehensive, up-to-the-minute, authoritative. Great for facts, projects or homework.
The site is the creation of O ...
Hipervinculo Biología
Blog de las materias de Biología y Geología de María Pilar García profesora del IES Parque Goya
Quiero dejar el acceso al documento denominado “Biodiversidad 2015. Estado y tendencias de la biodiversidad continental de Colombia” que trata como bien indica el título de la biodi ...
We provide you with some fun and interesting science projects and experiments that you can do with your childrenand their friends. This way you'll be having a good time and getting some knowledge ...
Hipervinculo Geología
We offer you an interesting project for your children, and we know they will love it. How about growing your own Crystal Geodes? (Geodes are empty rocks on whose inner walls minerals form sometimes fi ...
El tiempo que transcurre para que una estalactita crezca 2.5 cm. es de alrededor de unos 100 años. Sin embargo, con este sencillo e interesante experimento veremos cómo se originan las e ...
Earth is estimated to be 4.6 billion years old and ever-changing. Scientists have organized Earth’s history into geologic time periods. These time periods include the Precambrian, Paleozoic, Mesozoic, ...
Hipervinculo Geología
Rocks are not only changed by water, wind, and ice but can also be changed by chemicals. Chemical weathering is the process by which the actual minerals that rocks are made of are changed. Chemical we ...
In this project three different methods of testing turbidity in water will be compared, the secchi disk, spectrophotometer, and turbidity test kit. Turbidity is caused by suspended particles that scat ...
Hipervinculo Geología
Geodes are formed in empty spaces inside rocks. Fluids containing minerals make their way into a rock’s cavity and crystals begin to grow. From the outside they look like an ordinary rock, although th ...
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