Start to read science books

Not wanting to waste precious time this winter session and preparing for the coming studying of science, I make a big decision of starting to read science books. I have finished two chapters of a new science book in English. It is good for me to summarize what I have read, for it offers me a chance of both an accumulation of vocabularies and a retrospect of new knowledge. It is weird most of science books in English start with the chapter of rock and earth.

Scientists separate the earth into three main layers from outside to inside which are crust, mantle, and core. The crust is relatively very thin compared with the mantle and the core whose depth is thousands of miles. There are basically three kinds of rocks forming in different ways. I cannot remember the names of these rocks, but I do know how they are formed. The first kind is formed from cooling and hardening of hot material within the earth. The second is the result of gathering of sand particle. The third is actual changing of existing rocks. All of the rocks considered stationary are in fact moving. As it is described in the book, “the huge chunks of crust are split apart and driven thousands of miles and others are swallowed whole.” Thus it makes the happen of earthquake and eruption of volcanoes which is usually accompanied with beautiful mushroom clouds possible. The variety of the land is constructed by complex tectonic. However, some easy words also can show some general effects on rocks such as weathering, erosion, running water, ocean waves, glacier, and so on.

This chapter of the book brings me an imagination of what my body will be like after I die. Most possibly, it will decay and be decomposed in the same way as fallen leaves and finally turns into soil. However, my body may be accidentally changed into fossil under special circumstance and hopefully when some geologists find my well-protected bones during an excavation in the faraway future, they will be astound and regard me as a great man in the past.= ]