Clara's dream of enriching her rough life on the family farm is fulfilled when a horse-drawn book wagon visits with the country's first traveling library.
Explains the basic characteristics of weather; temperature, humidity, wind speed and direction, air pressure; and how meteorologists gather data for their forecasts.
Explains how electricity is produced and transmitted, how to create electricity using an electrical wire and a magnet, how generators supply electricity for cities, and how electricity works in homes.