AC Fourth Grade Studies Biodiversity in STEM PBL

Posted on October 26th, 2017 by Allendale Columbia School

Fourth graders at Allendale Columbia School spent a couple of days in Allens Creek as part of their study of ecological biodiversity, their latest Project-Based Learning (PBL) unit in the Lower School STEM (Science, Technology, Engineering, and Math) program.

While some students scoop, Ms. Russell brings a rock to shore that is harboring several small stream creatures.

While some students scoop, Ms. Russell brings a rock to shore that is harboring several small stream creatures.

Working with visiting expert Maureen Dunphy Russell, a STEM/AG Educator from Cornell Cooperative Extension of Monroe County, students learned how to stir up the creek bottom and harvest the biological samples with downstream nets. They then separated the critters for identification, with crayfish attracting their enthusiasm the most. The students also found snails, mayflies, aquatic flies, scuds, minnows and an aquatic worm. “I love working outside and learning all about the nature that is around our campus,” declared student Jordyn Ahl.

“Students crave outdoor education,” STEM teacher Donna Chaback says. “While ecological biodiversity is usually an older student topic, our fourth graders have been doing a great job on it.” The creek study complemented walking studies of the AC campus’s forest, grassland, and freshwater ecosystems, during which they collected and preserved leaves and took photos of trees, plants, leaves, and signs of animal life. “So far, they have done an initial tree survey, performed soil tests, and worked in the creek,” Mrs. Chaback added. “Next, they will begin researching their findings and interviewing some key personnel.”

These hands-on studies helped reinforce the importance of biodiversity, and how each species, no matter how big or small, plays a role in the overall health and sustainability of the local and broader ecosystem.

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Posted in: Centers for Impact, Fourth Grade, Highlights, Invent, Lower School, Partnerships

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