Curated OER
Glacier Bay - The Kelp Forest
Few people get to visit Alaska's Glacier Bay, and fewer yet go underwater to explore its kelp forest. Through this presentation, viewers get to do just that! In the process, they learn about the simple structure of kelp and the diverse...
Curated OER
Animals A to Z: Urchin
In this sea urchin worksheet, 3rd graders will add pages to their "animal books." Students will read 10 facts about a sea urchin to gain an understanding of the animal's characteristics.
Curated OER
investigating and Modeling Sea Urchin Fertilization and Development
High schoolers begin by using clay to model fertilization and early development of sea urchins and chordates. They move on to mixing live sea urchin sperm and ova together to observe, diagram and record events occurring in fertilization...