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More than a century after first emerging into the fogbound, gaslit streets of Victorian London, Sherlock Holmes is universally recognizable. And yet many of his most recognizable features don't ap ...
Un breve vídeo (3 min) hecho con figuras de LEGO que ayudará a los estudiantes a entender la diferencia entre elementos, compuestos y mezclas al ritmo de El Vuelo del Moscardón d ...
Hipervinculo Biología
Una sencilla cadena trófica que muestra animales depredadores y detrívoros de mar, tierra y aire.
A simple food chain representing sea, earth and air animals.This file is made available u ...
Small timeline showing different events in the evolution of life. This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication
Una interesante comparativa entre la anatomía humana y la de algunos animales como león, caballo, oso y gorila entre otros. Se trata de un trabajo realizado por Benjamin Waterhouse Hawki ...
Hipervinculo Historia
El Instituto brasileño de geografía y estadística (IBGE) construyó un timeline interactivo "Brasil 500 años" con motivo del quinto centenario del descubrim ...
Hipervinculo Matemáticas
Solving this type of problems (a system) consists in finding a value for each unknown factor in a way that it applies to all the equations in the system.
In this section we'll resolve systems (lin ...
Hipervinculo Matemáticas
Simplifying Expressions with Exponents
The activities are in order of increasing difficulty: we use the properties of exponentials (power of products, power of quotient, power of a power,..) and, after ...
Hipervinculo Matemáticas
In this section we have exercises that require to be considered as a system of equations of second dimension (two equations and two unknown factors). If we don't remember how to resolve systems (e ...
Hipervinculo Matemáticas
In this section we resolve linear equations with an increasing difficulty: simple equations, with fractions (where we'll use the least common multiple of the denominators), with parenthesis and wi ...
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