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.

An introduction to reflex acts that explains why we cough, sneeze, shiver, hiccup, yawn, and blink.

An introduction to reflex acts that explains why we sneeze, shiver, hiccup, and yawn.

Simple text and photographs depict the physical characteristics, behavior, and habitats of different kinds of bats, as well as various myths about this flying mammal.

A simple explanation of what bears look like, how they hunt, what they eat, how they sleep during the winter, and how their cubs are born and raised. Includes brief reading fluency and word recognition activities.

Presents information about the physical characteristics, habitat, behavior, and life cycle of butterflies and moths in question-and-answer format.

Provides answers to such questions about the weather as "What makes the weather?", "Does air have weight?", "How big are hailstones?", and "What is El Ni~no?"