An introduction to the solar system including information on the sun, moons, planets and stars. Also includes instructions for making a solar system mobile.
Explores how electricity and magnetism are closely related and how together they produce the electric current that we use every day to provide heat, light, and power.
Traces the history of the Earth, how movements in its surface produce mountains, earthquakes, and volcanoes, and what causes the seasons, tides, and patterns of night and day.