Trumbauer, Lisa

Explains what the center of the earth is made of and describes what the reader would need to dig to the core, including a special outfit and ship to survive the heat and pressure.

Uses the example of a fighter jet to explain the science concepts of matter, its states and properties, atoms, molecules, and elements. Includes facts about fighter jets, and a glossary.

Color photographs and simple text show how several kinds of animals use their tails.

Photographs and simple text introduce the major food groups and explain the nutritional contributions of each.

Simple text and photographs provide an introduction to the characteristics of different types of trees.

Text and photographs present insects. Written in English and Spanish.