Bill Nye the Science Guy answers questions about plants and conducts two experiments that demonstrate the production of oxygen by lettuce leaves and the existence of chlorophyll in leaves.
Bill Nye the Science Guy answers questions about motion, and conducts an experiment to demonstrate that things at rest stay at rest until acted upon by an outside force.
Bill Nye the Science Guy answers questions about climates, and conducts an experiment that demonstrates the formation of condensation on hot and cold surfaces.
Bill Nye the Science Guy answers questions about friction, and leads an activity to design an object that will hover over a flat surface on a cushion of air.
Explores the planets, stars, galaxies, and the universe and how long it takes to travel across the galaxy; and contains interactive glossaries and quizzes and Spanish translation.
Describes the explorations, conquests, accomplishments, and failures of sixteenth-century Spanish explorers Alvar Nunez Cabeza de Vaca, Francisco Vasquez de Coronado, Juan Ponce de Leon, and Hernando de Soto in North America.
Examines significant events in the history of the United States, focusing on the progressive movement that occurred at the turn of the twentieth century, ushering in social, political, and economic reforms.
