The document discusses Earth's internal structure and layers, including the crust, mantle which contains the lithosphere and asthenosphere, and the core, as well as related concepts like tectonic plates, magma, lava, and convection currents in the mantle that drive plate tectonics.

1. Earth’s Layers
crust
mantle
core

2. lithosphere
asthenosphere
mesosphere
tectonic plate
oceanic crust

3. continental crust
magma
lava
geology
convection currents