An elephant seal has a thick layer of blubber that keeps it from freezing in cold northern waters. This protective layer of blubber was prized by hunters who killed so many elephant seals that there were fewer than 100 left alive. Discover how government leaders and others took action to save these sea mammals from extinction.
Rourke's World of Science Encyclopedia teaches the essential concepts for elementary school science instruction. This comprehensive set helps students with the transition from K-4 to 5-8 grade level studies. From basic objects in the sky, life-cycles, and properties of earth materials to the more advanced, structures of living systems, forces and motion and science technology, students will find what they need. Make Rourke's World of Science Encyclopedia an important part of your reference library.
The ability to use the NextGen science process 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 NextGen science process to find out what happens during a colony bee collapse. 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.
Readers are introduced the habitat and lifestyle of the American Alligator and learn how the American Alligator is making a comeback from near extinction. Find out how people in the southeastern United States are learning to live with these amazing creatures.
The American bison was hunted to near extinction in the 1800s as settlers moved west across what is now the United States. Readers will learn about this animal that is a symbol of the American West and find out what steps were taken to help increase the American bison population.
The small golden lion tamarin is known for its brownish-red mane, long tail, and territorial nature. Readers will learn about these creatures and how destruction of their coastal forest habitat almost led to their extinction. Find out how zoos and conservationists have collaborated to save the golden lion tamarin.
Many people are afraid of bats, but like every other living thing they play in important role in nature. Readers will learn about cave dwelling gray bats, how they became endangered, and how government leaders and scientists have teamed up to save these furry, flying creatures.