"A simple presentation of the five senses, demonstrating some ways we use them. Children love to explore. Each day brings new sights and sounds, new things to smell and taste and touch . Aliki's simple text and cheerful art in this enlarged edition introduce very young children to the wonder of the five senses and all they reveal about the world around us." --

Explains how bacteria and viruses affect the human body and how the body fights them.

Describes the characteristics of snow, its usefulness to plantsand animals, and the hazards it can cause.

Discusses how scientists, studying fossil remains, provide information on how dinosaurs lived millions of years ago.

Describes various scientific theories which explore the extinction of the dinosaurs.

Explains how and why a thunderstorm occurs and gives safety steps to follow when lightning is flashing.

"Briefly introduces various types of dinosaurs whose skeletons and reconstructions are seen in museums and explains how scientists uncover, preserve, and study fossilized dinosaur bones." --

Read and find out about one of nature's most mysterious forces-the earthquake. Some earthquakes are so small that you don't even feel them, while others can make even big buildings shake! Learn why earthquakes happen, where they are most likely to occur, and what to do if one happens near you.

A brief study of the first creatures on earth to develop voices and an aversion to dry skin.

An introduction to the human skeletal system, explaining how the 206 bones of the skeleton join together, how they grow, how they help make blood, what happens when they break, and how they mend.