Roller coasters offer riders high speeds and thrilling drops! The fastest roller coasters can reach speeds over 100 miles per hour! Eager students will plunge into learning about how roller coasters offer fast, sky-high thrills.
Lewis and Clark were commissioned by President Thomas Jefferson to find a water route from the Mississippi River to the Pacific Ocean. The men were also asked to explore the newly purchased Louisiana Territory. They never found a water route, but they successfully documented information about the new lands.