Vocabulary Study: this simple one page vocabulary study is a great addition to any literature, math, social studies or science unit. It includes a space for the word, definition, sentence, part of speech, synonym and an illustration.
The Mohs scale of mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material. It was created in 1812 by the German geologist and mineralogist Friedrich Mohs and is one of several definitions of hardness in materials science.
The science side of Tumblr at 3am. Watering an apple tree with apple juice progresses from "is it forced cannibalism?" to "definitely liquefied apple fetuses" through a chain of disturbingly scientific hypotheses. No one is safe from the madness of middle of the night Tumblr posts. NO ONE. Also, liquefied apple fetuses? Wtf, science side of Tumblr. W. T. F.