Regrésate en el tiempo y sigue las huellas de dinosaurios en todo el mundo. Ya sean hechas por unos algunos dinosaurios o en grandes grupos, estas huellas ofrecen pistas sobre el movimiento y el comportamiento de estas adorables y criaturas del pasado. ¿Qué dinosaurios hicieron las huellas y qué piensan los científicos que los dinosaurios las estaban haciendo cuando las dejaron?
Samantha BellDespués de rogar por una mascota, a un niño finalmente le dicen que “sí”. Ahora, es el momento de seleccionar a la mascota perfecta, pero ¿cuál será? Comenzando con el Reino Animal, el niño recorre varias clasificaciones de animales para tratar de escoger al mejor. Las medusas son limpias, pero mamá le dice que escoja un vertebrado. Los reptiles y los anfibios están descartados y las aves y los peces pronto lo estarán también. Esto sólo deja a los mamíferos, pero ¿a cuál? Un elefante no cabría por la puerta y un tigre sería muy difícil de sacar a pasear. ¿Qué puede hacer este niño?
Zoos are amazing places to see and learn about the many native and exotic of animals that inhabit this world. Some animals are plentiful while others are threatened or in danger of extinction. Zookeepers not only feed and care for these animals, they may also be helping to conserve and protect whole species through breeding and "head start" programs. Follow the extraordinary duties of these unusual animal helpers in this behind-the-scenes photographic journal.
La zarigüeya Zara está buscando un nuevo hogar para criar a sus bebés que pronto nacerán. A lo largo del camino, se encuentra una gran variedad de animales diurnos y nocturnos. Ella aprende cómo construir y vivir en telarañas, nidos, colmenas, caparazón, madrigueras, refugios, cuevas, e incluso en los hoyos. Mientras que estos hogares son perfectos para otros animales, no son los adecuados para ella. ¿Cómo encuentra Zara un hogar? ¿Lo encontrará a tiempo?
A simple exploration of tornadoes, examining how these spinning storms develop, how scientists watch for them and measure their strength, and the damage "twisters" can cause.
A simple exploration of hurricanes, examining how these massive sea storms develop, how scientists watch for them and measure their strength, and the damage hurricanes can cause.
A simple exploration of clouds, examining how these large masses of water vapor develop, the different forms they take at varying altitudes, and the problems clouds can cause.
A simple exploration of snow, examining how these icy flakes of precipitation develop, the ways in which snow can be used and enjoyed, and the problems snow can cause.
A simple exploration of thunderstorms, examining how these warm-weather storms develop, the relationship between lightning and thunder, and the damage thunderstorms can cause.
A basic introduction to beetles, examining where they live, how they grow, what they eat, and the unique traits that help to define them, such as their ability to make sounds or glow.
A basic introduction to ants, examining where they live, how they grow, what they eat, and the unique traits that help to define them, such as their tirelessly hardworking behavior.
A basic introduction to cockroaches, examining where they live, how they grow, what they eat, and the unique traits that help to define them, such as their ability to hold their breath.
A basic introduction to ticks, examining where they live, how they grow, what they eat, and the unique traits that help to define them, such as their ability to swell with blood.
A basic introduction to termites, examining where they live, how they grow, what they eat, and the unique traits that help to define them, such as their ability to eat through wood.
A basic introduction to slugs, examining where they live, how they grow, what they eat, and the unique physical traits that help to define them, such as their slimy bodies and tentacles.
In Justine McKeen, Walk the Talk, the second book in the Justine McKeen series, Justine decides there are too many cars idling in front of her school. So she comes up with a solution that should help keep the air cleaner. But she soon discovers not many adults trust her crazy ideas.
Maxine loves her giant tree in the Walbran Valley, but as she gazes at clearcuts from the car window, she worries. What if her tree is gone? Her family and friends trek through the old growth forest, and Maxine runs on ahead to check. Yes, her tree is there. She stands at its foot and listens, but it doesn't make its special sound, "Keer, keer." She will soon learn that "Keer, keer" is the sound a marbled murrelet (a mamu) makes. The mamu is an endangered seabird that flies far from the sea to nest in the high flat branches of the Sitka spruce. When a tree-climber confirms the presence of a mamu nest, Maxine's tree will be safe forever.
Old MacDonald had a...woods? Yes! Come along with Jo MacDonald and learn about the wild creatures in the woods at her grandfather's farm. Noisy ones, quiet ones, and a few surprises. This delightful variation on "Old MacDonald Had a Farm" playfully introduces youngsters to the woodland habitat while engaging little ones with rhythm and wordplay.
Rivers are teeming with life! Children will learn the geography of North American rivers and to appreciate the animals that live there while they count the baby otters or dragonflies. Their learning will be reinforced as they "squeal" like muskrats and "hop" like frogs. All of this fun learning activity is set to the rhythm of the classical tune of "Over in the Meadow."
When frogs get together, they love to sing! They fill their big, bulgy throat pouch with air and sing out loud. Some peep, some trill, some growl, some creek, and some go WAAH, WAAH, WAAH! It's a chorus that happens near almost every pond and stream. Learn more about these delightful creatures--and sing along with them!
In dramatic pictures and simple text, readers are shown the terrifying teeth and claws, powerful muscles, and basic senses that make Big Cats some of the most fearsome on Earth. Quotes from victim encounters, as well as scientific facts, bring added information to readers in short, easy-to-read bursts. Glossary words provide additional information and understanding to the curious reader.
In dramatic pictures and simple text, readers are shown the terrifying teeth, powerful muscles, venomous poisons, and basic senses that make Snakes some of the most fearsome on Earth. Quotes from victim encounters, as well as scientific facts, bring added information to readers in short, easy-to-read bursts. Glossary words provide additional information and understanding to the curious reader.
In dramatic pictures and simple text, readers are shown the terrifying teeth, powerful packs, and basic senses that make wolves some of the most fearsome on Earth. Quotes from victim encounters, as well as scientific facts, bring added information to readers in short, easy-to-read bursts. Glossary words provide additional information and understanding to the curious reader.
In dramatic pictures and simple text, readers are shown the terrifying teeth and claws, venomous poisons, and basic senses that make Lizards some of the most fearsome on Earth. Quotes from victim encounters, as well as scientific facts, bring added information to readers in short, easy-to-read bursts. Glossary words provide additional information and understanding to the curious reader.
In dramatic pictures and simple text, readers are shown the terrifying teeth, powerful jaws, and basic senses that make Sharks some of the most fearsome on Earth. Quotes from victim encounters, as well as scientific facts, bring added information to readers in short, easy-to-read bursts. Glossary words provide additional information and understanding to the curious reader.
