Curated OER
Mesozoic Era in Arkansas
Eighth graders study the geology of Arkansas from 225 million years ago to 65 million years ago. They discover they types of strata laid down by the Gulf of Mexico. They examine the economic importance to the community.
Curated OER
Law of Superposition
Students identify the law of superposition and it states that beds of rock in a series are laid down with the oldest at the bottom and younger layers on the top. They construct a legen for a block diagram and construct a block diagram...
Curated OER
Core
Eighth graders examine conditions that can lead to the formations found and correlate the layers. In this rock layers lesson students complete an activity that allows students to take their own "core sample".