Young historians travel back to the past to explore immigration in the United States. Scholars match images of immigrants to Angel and Ellis Island. The activity also includes a worksheet and a short group discussion to understand...

Prepare young historians for a study of Angel Island Immigration Station with a lesson examining primary and secondary source materials, maps, and websites. Using what they have learned, individuals create a map of Angel Island, labeling...

Here you'll find a fantastic resource for analyzing several primary sources regarding Thomas Jefferson's presidency, from his election and home in Monticello to the Lewis and Clark expedition and the Louisiana Purchase.

Coral reefs are full of an abundance of life and color. Why not celebrate it with an edible coral reef? Learners and teachers alike use cake, icing, and candies to create a tasty version of a coral reef that's complete with colors,...

Discover firsthand the effects of internal waves on coral reefs. Through a series of experiments, learners simulate internal waves and upwelling events as they make observations on the movement of water and other debris. They then...

Explore the importance of a concentration gradient in the rates of dissolution. Using the ocean ecosystem, learners study rates of dissolution around coral reefs. A hands-on experiment helps individuals discover the effects of changing a...