One in a series of illustrated dictionaries for children, this volume focuses on prehistoric life. It contains around 850 entries all alphabetically arranged and special features to encourage usage and understanding.

Part of a series which covers a wide range of subjects, this book provides information on the seas and oceans, what the ocean floor looks like, which animals and plants live in which parts of the oceans, what treasures can be found in the seas and what part humans have to play in the conservation of the oceans.;The book features a gatefold, which opens up to reveal the amazing variety of life in the oceans, from the seashore to the dark, murky depths of the ocean floor. In addition, there is a fun quiz for children to test their knowledge.

What if we could open up our planet and look inside? From its red-hot core to the highest mountain peak, come see Earth as you've never seen it before in a colorful introduction to the powerful forces shaping our home.

Everything you need to create exciting thematic science units can be found in these handy guides. Developed for educators who want to take an integrated approach, these teaching kits contain resource lists, reading selections, and activities that can be easily pulled together for units on virtually any science topic. Arranged by subject, each book lists key scientific concepts for primary, intermediate, and upper level learners and links them to specific chapters where resources for teaching those concepts appear. Chapters identify and describe comprehensive teaching resources (nonfiction) and related fiction reading selections, then detail hands-on science and extension activities that help students learn the scientific method and build learning across the curriculum. A final section helps you locate helpful experiment books and appropriate journals, Web sites, agencies, and related organizations.