Los zoológicos son lugares impresionantes para ver y aprender acerca de muchos animales nativos y exóticos que habitan este mundo. Algunos animales viven tranquilos mientras otros son amenazados o están en peligro de extinción. Los trabajadores de cuidado de animales del zoológico no sólo alimentan y cuidan a estos animales, pero también ayudan a conservar y proteger especies en su totalidad a través de programas de reproducción y de “cómo sacar ventaja”. Sigue en este diario fotográfico, la extraordinaria rutina de estos trabajadores de cuidado que te lleva “detrás de cámaras”
After begging for a pet, a child's mother finally says "yes." But which animal will be the best pet? Using animal classification and habitat needs, the child narrows it down from Kingdom Animalia, through invertebrates to vertebrates. Reptiles and amphibians are out, and birds and fish are soon off the list. That leaves mammals, but which one? An elephant won't fit through the door, and a tiger would be too hard to walk. What's a child to do?
Travel deep into the ocean way below the surface and you'll encounter some creatures you never knew existed! This book takes you on a journey through the dark depths of the sea towards the ocean floor. Most ecosystems need sunlight, but deep in the ocean where the sun doesn't shine animals have adapted some very interesting ways to see, protect themselves, and eat. Discover the unique habitats, adaptations, and food chains of these deep -sea creatures.
When a young child decides to build a fort in the backyard, Grandpa comes forward to help. But they can't do it alone--they get help from the six simple machines: lever, pulley, inclined plane, wheel and axle, screw, and wedge. Told in cumulative rhyme, similar to The House That Jack Built, readers follow the building process to completion and discover the surprise reason it was built.
Las coloridas flores en el jardín de mamá ponen al descubierto una rara criatura. ¿Qué es? ¿Pica? ¿Muerde? Únete a este viaje fotográfico mientras una niña y su mamá cuidan a una oruga. Observa mientras se transforma en una crisálida de donde más adelante, saldrá - una hermosa mariposa Monarca. ¿Cómo puede una niña joven “afirmar” que le pertenece y aún así, dejarla libre?
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?
A brief introduction to the flying pterodactyls, highlighting their size, habitat, food sources, and demise. Also included is a virtual field trip to a museum with notable pterodactyl fossils.
A brief introduction to the fearsome Tyrannosaurus rex, highlighting its size, habitat, food sources, and demise. Also included is a virtual field trip to a museum with notable T. rex fossils.
A brief introduction to the long-necked Apatosaurus, highlighting its size, habitat, food sources, and demise. Also included is a virtual field trip to a museum with notable Apatosaurus fossils.
A brief introduction to the armored Stegosaurus, highlighting its size, habitat, food sources, and demise. Also included is a virtual field trip to a museum with notable Stegosaurus fossils.
A brief introduction to the horned Triceratops, highlighting its size, habitat, food sources, and demise. Also included is a virtual field trip to a museum with notable Triceratops fossils.
A brief introduction to the speedy Velociraptor, highlighting its size, habitat, food sources, and demise. Also included is a virtual field trip to a museum with notable Velociraptor fossils.
A look at potential future developments in architecture, including self-contained cities, as well as computerized blueprints and other technologies that are currently considered state-of-the-art.
A look at potential future developments in warfare, including advancements in robot technology, as well as satellite-guided bombs and other technologies that are currently considered state-of-the-art.
A look at potential future developments in medicine, including the use of nanotechnology, as well as genetic mapping and other technologies that are currently considered state-of-the-art.
A look at potential future developments in communication, including holograms, as well as the Global Positioning System and other technologies that are currently considered state-of-the-art.
A look at potential future developments in transportation, including privately operated spacecraft, as well as electric cars and other technologies that are currently considered state-of-the-art.
A look at potential future developments in space exploration, including settlements on Mars, as well as orbiting telescopes and other technologies that are currently considered state-of-the-art.
An examination of the science behind the physical phenomenon known as energy, including relevant theories and history-making discoveries as well as topics of current and future research.
An examination of the science behind the abstract and physical concepts of space and time, including relevant theories and history-making discoveries as well as topics of current and future research.
An examination of the science behind the astronomical phenomena known as stars, including relevant theories and history-making discoveries as well as topics of current and future research.
An examination of the science behind the physical phenomenon known as light, including relevant theories and history-making discoveries as well as topics of current and future research.
An examination of the science behind the physical concepts of mass and matter, including relevant theories and history-making discoveries as well as topics of current and future research.
An examination of the science behind the physical phenomenon known as gravity, including relevant theories and history-making discoveries as well as topics of current and future research.