e8ce8054_KS2_TT___Earth_Science_On_Site__Observations_teaching_points
[Interpretation/comments] The layering indicates that the original sediments were deposited in water and were made of sandy materials. Relate this to sedimentation experiment as part of your preparation – oldest on the bottom, youngest on the top. They are sedimentary rocks. [Observations/teaching points] 
The rocks are layered in beds. The rocks appear to be made of sandy material.
DRY/KS2/TT - Earth Science On-Site