Titoli in Scienza e tecnologia

Danielle: Chronicles of a Superheroine tells the story of a precocious young girl who uses her intelligence and accelerating technology to solve humanity's grandest challenges. Written as an alternative history, Danielle's journey as a driven young girl brings her face-to-face with many important figures from recent history and our modern world. 

هناك العديد من الدول التي تعمخل على تطويرلمشاريع تهدف الى استغلال القمر كمساحة للتعدين أي إن صح التعبير، ترى في القمر منجم عملاق غني بالمعادن.

This audiobook describes how animals adapt to the surroundings that they live within. Animals shown include a river otter, a clownfish, an alligator, a snowy owl, a mountain goat, a moose, a giant anteater, a toucan, and a camel.

What plants and animals can survive with very little water? Find out what lives in desert habitats.

What plants and animals call rocky mountain peaks home? Find out what lives in mountain habitats.

Grassland ecosystems can be found on nearly every continent. Countless animals and plants live in them. So what difference could the loss of one animal species make? Follow the chain reaction, and discover how important honey bees are.

Imagine a force that can toss boats around like toys, wash away bridges, and create waves as high as 18 feet. With fierce winds and torrential rains, hurricanes can do all of these things. They can cause tremendous damage and even change the shape of a shoreline. For centuries people did not know when a hurricane was coming. But now we have new methods to predict when and where these storms will occur. Young viewers will learn how hurricanes are formed, how they are named and classified, and what to do if a dangerous storm is on the way.

Gail Gibbons uses clear, simple wording to present all the steps involved in building a house. From the architect who draws the plans, through the various types of workers who construct it, to the family who will make the house their home, each aspect is explained. Children can easily follow along as construction begins at the ground level with surveyors, describing the jobs of carpenters and plumbers.

From the first light of dawn until the sun sets at night, the savanna is alive with noise. A lion roars in the early morning, a young baboon shrieks at noon, and a young mouse squeals at dusk. What are the animals saying and why? Animals communicate in many ways; explore the thriving African savanna as its inhabitants "talk" to one another throughout the course of a day.

What plants and animals call grassy flatlands home? Find out what lives in grassland habitats.

The grassland is covered with tall grasses and plants. Many insects and animals live in this biome. But how do they survive in the grassland? And how does fire help new plants grow? Listen to this book to find out!

Why is there winter in the Southern Hemisphere at the same time there is summer in the Northern Hemisphere? Here is an explanation of how the position of Earth in relation to the sun causes seasons and the wonders that come with each one of them. Summer. Autumn. Winter. Spring comes again. Year after year, the seasons repeat themselves.

Did you know the moon is a satellite? In fact, the moon is the Earth's only natural satellite. Children will learn about lunar phases, eclipses, lunar exploration and the moon's effect on the Earth.

What roams through grassland habitats? Discover bison, elephants, giraffes, kangaroos, lions, and zebra. Pair this nonfiction title with its fiction companion book, My Baby Elephant.

Do you know what it takes to run a farm? Gail Gibbons uses her signature combination of clear and informative wording to explore life on a farm throughout the year. Kids will hear the work required to take care of various kinds of animals, as well as indoor chores necessary to maintain the farm. Telling how activities change from one season to the next, Gibbons explains how farmers deal with weather and use machines to grow crops which become our food.

Lions, and zebras, and termites, oh my! Learn why a grassland is a perfect habitat for these animals and more.

Learn about street sweepers.

Young listeners will learn how light works and where it comes from in this accessible audiobook. Basic science concepts are discussed, and kids are encouraged to explore light in the world around them.

Did you know that tiny atoms that make up all matter hold huge amounts of energy? This energy, called nuclear energy, can power the television and refrigerator in your home. How is nuclear energy produced, though? And what are the drawbacks of this energy source? Listen to this audiobook to find out all about nuclear energy.

Learn what a Siberian tiger has in common with an elk. Discover what sets a Siberian tiger apart from a Tasmanian devil. Listeners will compare and contrast key traits of Siberian tigers - their appearance, behavior, habitat, and life cycle - to traits of other mammals. Through gathering information about similarities and differences, listeners will make connections and draw conclusions about what makes this animal a mammal and how mammals are alike and different from each other.