Lean about the similarities between radar technology and a bat's built-in echolocation system.
Learn about the similarities between cat eyes and reflectors.
This title explains how humans and animals have a skeleton to support the inner workings of their bodies and how the muscle attached helps us move. Also explains how exoskeletons have a skeleton on the outside of their bodies, giving examples of insects such as ants. Endoskeletons are also exampled. Gives detailed information on each, along with their habitats, eating habits, and ways they adapt to survive. A special section called, "Explore Your World" outlines an experiment that allows them to identify and examine first-hand this intriguing topic.
This title explains what an ecosystem is and how the plants and animals within an ecosystem rely on and affect its existence. Different types of ecosystems are described, as well as the food webs within them. How some changes to an ecosystem can be good and how some harmful changes can destroy them. Teaches students what an important role they can play in keeping these intricate ecosystems alive.
The ability to use the scientific method is key to carrying out experiments, taking measurements, or performing technical tasks. In this book, readers in real-world situations are tasked with following clues and using the scientific method to find out what happens as animals approach extinction. Informational text presents evidence and facts in the form of clues and side-bar details to help children develop critical thinking skills. A summary of the situation is included to show how each chapter contributes to the whole and for a solid understanding of the topic.
The Hands on Science series provide students with background on key concepts in Science. Each title includes engaging hands on exercises that help bring the concepts to life for kids. Real World Science: Animals, provide information on the basic needs of animals, and the body parts and behaviors that help animals meet their needs.
The bald eagle is known to people around the world as a symbol of the United States. In the early 1800s, as many as 100,000 bald eagles lived in the United States. By the 1960s, the familiar bird of prey was nearly extinct. What happened? Read this book to find out how human activity brought the handsome eagle close to extinction. Discover how human efforts helped it fight back and once again become a familiar sight in North American skies.