New idea
Layers of our planet
Earth is NOT solid all the way through. It has 4 main layers: CRUST (outside, thin), MANTLE (thick, hot rock), OUTER CORE (liquid metal), INNER CORE (solid metal).
Crust, mantle, core — Earth has 4 layers like a peach.
New idea
Earth is NOT solid all the way through. It has 4 main layers: CRUST (outside, thin), MANTLE (thick, hot rock), OUTER CORE (liquid metal), INNER CORE (solid metal).