We watched several videos , read a clever book titled How to Dig a Hole to the Center of the Earth. Both explained in clever ways what is under our feet to the core.
Inside the book.
Using two Apps ( Doodle Buddy and Skitch), the children were asked to draw and label the layers of the earth using two apps. This is Bobby's. work .It is an amazing diagram using Skitch.
Here the remaining diagrams the children made using these two simple free apps.