What is the crust?
The crust is the outer layer of the earths spheres. It is the one in which we live and is the smallest one of them all. Yet, we have never gone further than the crust and into the mantle. The crust is like a jigsaw puzzle floating on the liquid mantle below it. To describe the crust in one word it is brittle like the outer shell of an egg. This is why when the crust collides and there are earthquakes the ground splits. The crust is important because without it we would not be able to survive on the mantle. (The crust,
Random fact
The earths plates just move a few inches a year, so about as fast as your finger nails grow.