On September 17, 1787, a handful of Americans signed a historic document that helped organize a structured government for the United States and recognized the rights of its citizens. This national holiday celebrates the most important document in the history of the United States - its Constitution. This exciting book will educate children on a crucial turning point in American history.
Claws that slash, teeth that tear, and tail clubs that crush--dinosaurs were once the terror of the planet! Check out the dramatic illustrations of dinosaurs and the "weapons" on these ancient giants! Their weapons were adaptations that helped them hunt and defend themselves. A great high-interest read and a useful resource for report writing.
Meat eaters, plant eaters…stomp through a world of the scariest, largest creatures that walked prehistoric Earth. Learn how paleontologists--dinosaur detectives--uncover the important clues that have revealed what we know about these terrifying animals. Amazing photos and simple text make this book a great high-interest read.
Read about the invention of certain tools, and how they have been improved over time to become the technology we use today.
The only way we can learn about dinosaurs is by studying their fossils. Read about how comparing fossils shows us how different dinosaurs moved, what foods they ate, and how they protected themselves.
Earth was a lot different when dinosaurs were alive. They lived alongside many ancient mammals that can no longer be found. Incredible changes on Earth have left us with fossils that scientists use to learn more about the ancestors of today's mammals.
Earth was a lot different when dinosaurs were alive. Lush, deep forests once grew where we now have frozen oceans and glaciers. Even though there have been incredible changes on Earth, there are some ancient plants that are still living today!
Earth was a lot different when dinosaurs were alive. Scientists study important clues that were left behind to learn what kinds of dinosaurs lived where, what they ate, and how fast they could run. Even though there have been incredible changes on Earth, there are still dinosaur relatives living today!
Earth was a lot different when dinosaurs were alive. Back then, the world's oceans were ruled by large sea monsters. Even though there have been incredible changes on Earth, there are still sea monster relatives living today!
