Earth's Mantle Layers

noun the upper layer of the Earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur

• The asthenosphere is a layer of the Earth's mantle that lies beneath the lithosphere.
• I heard that the asthenosphere is like a squishy layer underneath the hard outer shell of the Earth.
• The asthenosphere is basically the Earth's gooey center.
• Just like the asthenosphere allows the tectonic plates to move, sometimes we need to be flexible and adaptable in our own lives.

noun The upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur.

• The aesthenosphere is a layer of the Earth's mantle located below the lithosphere.
• I just learned about the aesthenosphere in my geology class.
• The aesthenosphere is like the Earth's squishy middle layer.
• The aesthenosphere acts like a conveyor belt, moving the Earth's tectonic plates.