Earlyknowledgeforkids.org provides a free monthly online magazine for preschool and elementary age kids. Download to your PC, iPad, eReader or print. Early Knowledge for Kids has articles covering science, history, geography, art, music, poetry and biographies. Help your kids build their general knowledge and vocabularies for free with earlyknowledgeforkids.org.
Earlyknowledgeforkids.org also provides educational videos covering science and social studies.