Designed as a five-lesson curriculum to introduce students to limnology, this program explores the structure, history and biology of lakes. Students analyze models, images, and a core sample from a lake case study before engineering a device for... (View More) collecting lake bottom sediment samples. The curriculum includes a guide, handouts, images, resources and a pre- and post-assessment. (View Less)

In this problem-based learning module, learners study phytoplankton blooms along the U.S. coast. Phytoplankton form the basis of the marine food web, regulate carbon in the atmosphere, and are responsible for half of the photosynthesis that takes... (View More) place on the planet. Studying phytoplankton blooms is one way that scientists monitor the effects of climate change. Instructions are provided to access NASA data along with additional resources and activities. This module was developed to be used in the Earth System Science Education Alliance (ESSEA) courses for middle and high school teachers and is also available to teachers to adapt for general classroom use. (View Less)