It has great pictures. The kids will like this site. This site is a demo version of available software. The clickable image-map lets you explore various forms of solar energy. This site contains two FREE downloadable teaching modules.
Children investigate the phenomena of magnetism, electricity, and electromagnetism.
They use magnets and compasses to build a working device and explore the characteristics of switches, circuits, and electromagnets. They explore how electric motors are built and learn how electricty is produced. Magnets and Motors was developed by the National Science Resources Center with support from the National Academy of Sciences and the Smithsonian Institution. Children investigate structures and their strength. They observe structures in the school neighborhood and record the variety of sizes, shapes, materials, and functions of these structures.