Curated OER
Teacher's Guide For: Water Temperature and Salinity Experiment
Students experiment with water density, temperature and salinity. For this water lesson, students observe how the coldest water sinks to the bottom of a test tube, and how saltwater sinks in comparison to freshwater.
Science Education Resource Center at Carleton College
Serc: Predicting the Spring Phytoplankton Bloom in the Gulf of Maine
This lesson helps learners understand the variables that influence the abundance of phytoplankton. Students will make predictions about the timing of the spring phytoplankton bloom in the Gulf of Maine. Furthermore, data from buoy...