Your objective in this in this lesson is to guide kids to observe the evidence and follow the logical reasoning that underlies the concept that the Earth is very old (billions of years) and has gone through profound changes both geologically and biologically during its lifetime.
Begin by reviewing/witnessing the processes of change that we see going on today.
Erosion and sedimentation. Type into your browser: erosion resulting from a severe storm images
Likewise, type into your browser: sediment deposit at river mouth images