検索キーワード： 科学・テクノロジー

Have you ever wondered how plants grow? How does the plant stem know to grow up while the roots grow down? This book will teach children how gravity affects plants with a fun experiment to grow their own beans!

Have you ever walked through a garden and wondered which part of a fruit or vegetable you’re supposed to eat? It could be the pod, the leaves, the seeds, the root, or even the flower! Follow along with this poem to learn about fresh, tasty veggies!

Have you ever wondered why wheels are round and not triangles or squares? Try this activity to learn why wheels are the shape that they are.

Gears are simple machines that can make up an even bigger machine, like a robot or a clock! Listen to learn about how gears make work easier.

Have you ever noticed that your eyes change when you’re in the dark? Yo pretends he is in a deep, dark cave and shows Jennifer what happens to his eyes in the light. Will Lips the dog’s eyes react the same way?

When it’s your birthday, you add one Earth year to your age. Have you ever wondered how old you would be in Saturn years? What about Mars? Read on to learn about the planets of our solar system and how long it takes for them to complete one whole orbit.

¿Cómo funciona el airbag? ¿Por qué lloramos cuando cortamos cebollas? ¿Qué tienen de especial las telas deportivas? Acompaña a Silvana y Marina en su "día a pura química" y descubre esta disciplina apasionante.

Over the canyon, the sun scalds the air and bakes the desert mud to stone. But under the shade of the canyon hides another world, where bighorn sheep bound from rock to rock on the hillside, roadrunners make their nests in sturdy cacti, and banded geckos tuck themselves into the shelter of the sand. Discover the wonders concealed in the curves of the canyon and all the secret life hidden in its arms.

Over the swamp, the barred owl hoots, and the great egret swoops down on snowy wings. The slow mazes of waterways are quiet with the shush of reeds and grasses. But under the swamp’s soft shadows, there’s a whole hidden world of panthers and orchids, red-bellied turtles and raccoons, lurking alligators and singing frogs. Discover the magical reaches of the Everglades and all the fascinating creatures living just out of sight in its branches and depths—over and under the wetland.

Peter was born on the east side of Germany, the side that wasn't free. He watches news programs rather than cartoons, and wears scratchy uniforms instead of blue jeans. His family endures long lines and early curfews. But Peter knows it won't always be this way. Peter and his family have a secret. Late at night in their attic, they are piecing together a hot-air balloon—and a plan. Can Peter and his family fly their way to freedom?

When winter ice covers the Arctic Ocean, a narwhal pokes his head through a patch of open water, his tusk—a six-foot long tooth—pointed to the sky. Join this mammal as he jousts with another narwhal, floats with his pod, and uses echolocation to find his prey. When warmer weather arrives, he will migrate towards summer ground. But he must be careful! Predators—orcas and polar bears—will be hungry and looking for a meal.... How will the narwhal escape? Will he be able to return to the winter bay?

This book introduces young listeners to the orcas humans first fell in love with. The members of J pod live in the Salish Sea, off the coast of Washington and British Columbia. Moby Doll was the first orca ever displayed in captivity, Granny was the oldest orca known to humanity, and Scarlet was the orca humans fought to save.

Young listeners are introduced to environmental issues in their own neighborhoods in this nonfiction book.

Have you ever ridden a roller coaster? They’re a lot of fun, but a lot of physics is involved in making those rides work. The momentum built up by energy and speed keep those trains on their tracks and riders in their seats, even when they’re upside-down!

Un interesante recorrido por la historia de la medicina, que recrea la época en la que los médicos eran magos y hechiceros, las operaciones se hacían sin anestesia y en cualquier sitio, los cirujanos no eran médicos sino peluqueros y la gente se moría por enfermedades que hoy son fácilmente curables. La historia contada a través de los descubrimientos y avances científicos que hicieron de la medicina lo que es hoy.

Este libro tiene como objetivo la divulgación científica de forma comprensible para cualquier persona, independientemente de su formación previa. Está especialmente pensado para niños y jóvenes de edades comprendidas entre los 10 y 16 años y recoge un amplio espectro de temas de interés, como son la Tierra, el cuerpo humano, la biología, la física y química, la tecnología o las matemáticas.

Did you know that Hawaii is still being built, even today? Heidi learns all about how Kilauea, the most active volcano in the world, erupts and spills more lava every day, making the island grow! She also gets to visit Mauna Loa, the biggest mountain in the world. What do you think it might be like to visit?

Many things look very different seen up close. To us, the sun is a giant ball of light in the sky, but to other solar systems, it might look like just another star! Those tiny lights you see in the night sky are what our sun might look like from another planet far out in space. The sun gives light and energy to our entire solar system, and is necessary for many other things. Can you name them all?

Flowers may look pretty, but some can be downright deadly! In England, you can explore the Poison Garden—a place where flowers are known for their beauty on the outside and poison on the inside! In this story, you'll be able to learn about and see these flowers safely without interacting with them.

Inside every seed waits a tiny plant, ready to grow. Watch the process of a pumpkin plant from tiny seed to full-size fruit! You'll also see other plant seeds, which come in many different sizes, shapes, and colors. Some can be as big as your head, but poppy seeds are so little you can hold hundreds in one hand!