Curated OER
Ocean Water
Given data about the composition of ocean water, students complete 5 different questions using a provded table that relate to the ocean water (with elements Chloride, Sodium, Sulfate, and Magnesium). Some questions require calculation,...
University of Oregon
Museum of Natural and Cultural History: Rocks and Minerals: Everyday Uses
Click on the shelves in this virtual exhibition to learn about the many rocks and minerals that we use in our everyday lives.