Here's a breakdown:
* Lithosphere: This is the rigid, outermost layer of Earth. It includes the crust and the uppermost part of the mantle. The lithosphere is broken into tectonic plates, which are constantly moving and interacting with each other.
* Asthenosphere: This is a soft, partially molten layer beneath the lithosphere. The asthenosphere is ductile and allows the tectonic plates to move across it.
Think of it like this: Imagine a hard, solid shell (the lithosphere) resting on a layer of gooey, viscous pudding (the asthenosphere). The shell can move and slide around on top of the pudding because the pudding is soft enough to allow movement.
