Scientific american educational publishing (354 risultati)

Paperback. Condizione: new. Paperback. Much of Earth is comprised of rock, from the continents people live on to the melted rock within the core of the planet. Rock comes in a variety of shapes, sizes, and compositions, notably including sedimentary, igneous, and metamorphic. Readers learn about the natural processes that create…

Paperback. Condizione: new. Paperback. Using its bumping, lumpy body, this dangerous turtle can blend right into the bottom of ponds and waterways. While it usually stays away from danger and prefers to bask in shallow waters, snapping turtles don't need to run if danger finds them. This aggressive turtle has a bite strong enoug…

Paperback. Condizione: new. Paperback. Gila monsters aren't the fastest lizards around, but they don't need to be! Gila monsters are one of the few species of lizards with a venomous bite. A Gila monster's bite is strong enough to take down an adult human! In this book, readers will find out about a Gila monster's venom and more…

Paperback. Condizione: new. Paperback. Komodo dragons are the largest lizards in the world! This massive monitor is one of the few species of venomous lizard, using its strong bite and terrible teeth to grind venom into their prey. This island-dwelling lizard was discovered around 100 years ago, and since then, readers and scien…

Paperback. Condizione: new. Paperback. Is the red gem a ruby or a garnet? For the untrained eye, these can be hard to tell apart. But, garnets can be colorless, red, black, or something green! These gems are often found in metamorphic rocks and have been valuable for thousands of years. This volume presented by Scientific Americ…

Paperback. Condizione: new. Paperback. Could topaz protect you if you wore it? The Ancient Greeks and Egyptians thought so! Ancient people also believed a topaz would change color when near a poisoned food or drink. In this book presented by Scientific American, readers learn about the stories surrounding topaz, as well as the f…

Paperback. Condizione: new. Paperback. Scientists have found many Diplodocus fossils, but there is still more to learn about these huge, long-necked dinosaurs. It is known that Diplodocus roamed on land and used their height to reach tall trees for food. In this essential book presented by Scientific American, readers find out a…

Paperback. Condizione: new. Paperback. Pearls have been valuable for thousands of years! They were known to Julius Caesar as well as worn by Native Americans centuries ago. In this book presented by Scientific America, readers learn how pearls are made, the difference between naturally formed pearls and cultured pearls, and even…

Paperback. Condizione: new. Paperback. Did you know aquamarine has something in common with emeralds? They are both varieties of a mineral called beryl! Often found in Brazil, aquamarine is the most common form of beryl. In this book presented by Scientific American, readers find out how aquamarine forms, as well as the geologic…

Paperback. Condizione: new. Paperback. Paleontologists and true dinosaur fans know the Velociraptor of movies is a bit exaggerated. These reptiles were actually only as large as a turkey. However, they were still fierce hunters with a slashing claw that could do lethal damage to their prey. This high-interest volume, with its sp…

Paperback. Condizione: new. Paperback. Imagine an herbivorous dinosaur that's taller than a giraffe and weighs six times more than an elephant. This is the brachiosaurus! In this fascinating volume presented by Scientific American, readers find out about this giant plant-eating dinosaur's many adaptations, including how its hear…

Paperback. Condizione: new. Paperback. With its three large horns and bony frill, Triceratops is one of the most recognizable dinosaurs. But what is that huge frill for? And why did this large reptile have three horns? Readers will love learning the latest theories for some of the biggest questions about this creature of the lat…

Paperback. Condizione: new. Paperback. Today, amber is seen in beautiful jewelry. But did you know it's actually fossilized tree resin that's 40 million to 60 million years old? In this book presented by Scientific American, readers learn how this incredible gem forms, as well as about the fossilization process, how amber was fi…

Paperback. Condizione: new. Paperback. The name Tyrannosaurus rex means "king of the tyrant lizards." That's a nod to this voracious Cretaceous creature's fearsome nature. In this exciting volume, budding scientists will find out about this dinosaur's habitat, physiology, and prey. They'll also learn paleontologists' theory abou…

Paperback. Condizione: new. Paperback. Dinosaurs get most of the spotlight, but Pteranodon was equally as fascinating. These flying reptiles from 100 million years ago, the Late Cretaceous Period, had a wingspan that was an incredible 23 feet wide! They were toothless and likely fish eaters who dove underwater for their prey. Re…

Paperback. Condizione: new. Paperback. The dinosaur Stegosaurus, from the late Jurassic Period, is known for the intimidating plates and spikes running down its back and tail. In this engaging book, dinosaur enthusiasts will find out how scientists think these adaptations helped Stegosaurus survive. Budding paleontologists will…

Paperback. Condizione: new. Paperback. Cretaceous-era dinosaurs called Iguanodons could weigh several tons and grow to be over 30 feet long. In this essential volume presented by Scientific American, readers find out why scientists think this animal switched between walking on four feet to two feet and what its thumb spike was u…