Snails, oysters, scallops, and octopuses are among the typically shelled, soft-bodied invertebrates knows as mollusks. Reading Essentials in Science.
This book discusses how the human body systems work together to keep the body running smoothly. The nervous system leads this team of systems. Reading Essentials in Science.
This book is an introduction to the concept of motion, discussing its forms and the laws that govern it. Reading Essentials in Science.
Explains the five main types of mountains--fold, fault-block, dome, volcanic, and plateau--and describes how they provide valuable resources for people, farming, mining, and tourism. Reading Essentials in Science.
This book is an overview on the heart, explaining its importance and how it works in the human body. Readers will also learn ways to keep the heart healthy and how stress affects the heart. Reading Essentials in Science.
This overview of insects describes their basic characteristics and life cycles. Reading Essentials in Science.
This book takes a scientific look at the destruction of different habitats. Reading Essentials in Science.
This book explains how geologic time is the timeline of Earth's evolution. Scientists use sedimentary rock layers, fossils, relative dating, and absolute dating to piece together the history of life on the planet. Reading Essentials in Science.
From Mendel to modern genetics, heredity determines the inheritance of human traits This book discusses the science of genetics, explaining how genes, DNA, and chromosomes combine to form the essential elements of heredity. Reading Essentials in Science.
This book presents a scientific explanation of the human reproduction process, following the development of a fetus through childhood and adolescence into adulthood, explaining the changes the body goes through at each stage. Reading Essentials in Science.
The immune system is a group of cells, tissues, and organs that work together to defend a body against invasion by harmful microbes. This book presents a study of the immune system, explaining the crucial role of each member and discussing immuodeficiency disorders, autoimmune diseases, and allergies. Reading Essentials in Science.
Warm up to the concept of heat energy with this discussion of its sources, effects, properties, and applications. Reading Essentials in Science.
This book is an overview on hurricanes, how they form, the devastation they cause, and how meteorologists track these storms with several special types of equipment. Reading Essentials in Science.
This book takes a scientific look at keeping our food and water safe. Reading Essentials in Science.
This book gives an overview of sound and the sense of hearing, looking at how sound is produced, ways it is measured, and how the ear works. Reading Essentials in Science.
There are over 300,000 kinds of plants on Earth, and are divided into two categories--flowering and nonflowering. Explains how plants make our world beautiful and provide food, clothing, medicine, and carbon dioxide. Reading Essentials in Science.
Scientists have discovered that stars are not equal. They vary in size and color. Variable stars change in brightness over the course of hours, days, weeks, or years. Reading Essentials in Science.
This book introduces habitats that exist along rivers and looks at the plants and animals that live there. Reading Essentials in Science.
This book explains how glass has been made from the same materials for thousands of years. Reading Essentials in Science.
What goes up must come down--all because of gravity. This book discusses the universal force of gravity. Reading Essentials in Science.
This book explores humankind's journey into space, from the first telescopes to the International Space Station. Reading Essentials in Science.
This book introduces the various habitats in the desert and looks at the harsh environments that the plants, animals, and people face every day. Reading Essentials in Science.
This book takes a look at the life cycles of plants and animals, including the key events and changes a living thing goes through in its lifetime. Reading Essentials in Science.
This book is an introduction to the concept of light energy, discussing its forms and the laws that govern it. Reading Essentials in Science.
This book takes a scientific look at erosion. Reading Essentials in Science.
