8.E.2 Understand the history of Earth and its life forms based on evidence of change recorded in fossil records and landforms.
8.E.2.1 Infer the age of Earth and relative age of rocks and fossils from index fossils and ordering of rock layers (relative dating and
radioactive dating).
8.E.2.2 Explain the use of fossils, ice cores, composition of sedimentary rocks, faults, and igneous rock formations found in rock layers
as evidence of the history of the Earth and its changing life forms.


Makeup / Virtual Rock Identification






T-rex in Gym Class

philosoraptor_nuclear cats

rock layers


coal to diamonds

continents breaking up