Curated OER
The Formation of Soil
Students identify the different components that make up soil. In this earth science lesson plan, students create a pamphlet for next year's class. They analyze how erosion and weathering shape the Earth.
Curated OER
Solubility and Chemical Changes in Groundwater
Students test pH of water before and after it travels through different substrates (igneous pebbles and limestone) to detemine how soluble materials can affect groundwater. They answer questions such as: What happended to the pH of the...