Research the sun's role in the solar system, noting what kind of star the sun is and how it compares with other stars in the universe. Present your findings, using drawings, charts, photographs, and other graphics to convey the information.

Imagine that you are a very old person, perhaps 100 years old. Write a letter to yourself, describing how it feels to be old and giving yourself advice about how to live your life. Include details about your daily rituals and habits.

Research the geography and history of Paris or another city—perhaps your hometown—and create a walking map of the city. The map should show key sites with information explaining each site's significance. You may want to create your maps using large pieces of craft paper and paints or markers, or using a computerized drawing program.

Research and discuss the health...