Explore the practice of oyster gardening. Because oysters play a vital role in marine ecosystems and their populations have declined, biologists are transplanting oyster seed to repopulate reefs. After learning about this practice,...

Students examine tree-ring dating and discuss the lack of water the settlers in Jamestown faced. They create paper tree rings, simulate rain patterns, and describe the history of construction paper tree sequences.

Students calculate how much coal they use based on their electric power usage. For this environmental science lesson, students trace the history of coal mining in US. They write a letter to USPS to encourage them to create coal mining...